flutter/engine#7307 changes the engine side of embedded UIView to only
reject gestures when the framework sends a `rejectGesture` message, so
that gesture resolution can done after a touch sequence has ended (see
PR description for flutter/engine#7307 for more details).

This change makes the framework send a `rejectGesture` message to the
engine when a UiKitView rejects a gesture.

I'm planning to land this PR before the engine side change, so right now
it swallows the exception thrown if there is no engine implementation
for `rejectGesture` (which keeps us with the current behavior). After
this change lands I'll land the engine PR, and then clean up the part
that swallows the exception.

https://github.com/flutter/engine/compare/e75fad7ccead...9daf5c8d213a

git log e75fad7ccead..9daf5c8d213a --no-merges --oneline
9daf5c8d2 Roll src/third_party/skia f78b7ea945e5..3605fde88b2a (1 commits) (flutter/engine#7305)
798e96d9b Roll src/third_party/skia 212e9060ed29..f78b7ea945e5 (1 commits) (flutter/engine#7304)
7b379da03 Roll src/third_party/skia 5d77c200a8d9..212e9060ed29 (1 commits) (flutter/engine#7303)

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https://github.com/flutter/engine/compare/d8c5ec0e11b5...e75fad7ccead

git log d8c5ec0e11b5..e75fad7ccead --no-merges --oneline
e75fad7cc Roll src/third_party/skia 2772ea397e04..5d77c200a8d9 (1 commits) (flutter/engine#7302)
a64dd4b97 Roll src/third_party/skia 088b74e51314..2772ea397e04 (1 commits) (flutter/engine#7301)
4e9fb504e Roll src/third_party/skia 8be4b02b4c72..088b74e51314 (1 commits) (flutter/engine#7300)
787caecc7 Roll src/third_party/skia 481dd46cc368..8be4b02b4c72 (1 commits) (flutter/engine#7299)
c39589de6 Roll src/third_party/skia dc5863c4d665..481dd46cc368 (1 commits) (flutter/engine#7298)

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* Include cursor in textfield intrinsic width measurement

* Add cursorWidth assertion, add comment about assumed cursor width, and test null stepWidth

https://github.com/flutter/engine/compare/215ca1560088...d8c5ec0e11b5

git log 215ca1560088..d8c5ec0e11b5 --no-merges --oneline
d8c5ec0e1 Roll src/third_party/skia f16825ed3c71..dc5863c4d665 (1 commits) (flutter/engine#7297)
efb8a3f07 Roll src/third_party/skia 945a56644728..f16825ed3c71 (1 commits) (flutter/engine#7296)
67150a535 Roll src/third_party/skia 28bd882a1e40..945a56644728 (2 commits) (flutter/engine#7295)
3705a1ed3 Roll src/third_party/skia ea8900e74ea7..28bd882a1e40 (1 commits) (flutter/engine#7294)
943ecfc75 Roll src/third_party/skia 13654b20ce5b..ea8900e74ea7 (1 commits) (flutter/engine#7293)
7b12ae241 Roll src/third_party/skia 12a6d452b126..13654b20ce5b (1 commits) (flutter/engine#7292)
1fe7e1fde Roll src/third_party/skia c983480b117f..12a6d452b126 (1 commits) (flutter/engine#7291)
a8b0d263c Roll src/third_party/skia 2e40d9886402..c983480b117f (1 commits) (flutter/engine#7290)
c64f971e3 Roll src/third_party/skia 98a4e4a4135b..2e40d9886402 (1 commits) (flutter/engine#7289)
65420c264 Roll src/third_party/skia 2a0967383087..98a4e4a4135b (1 commits) (flutter/engine#7288)
770536ab6 Only overflow the cache for one required frame (flutter/engine#7048)
b6880bbc9 Roll src/third_party/skia 9803b8f1d197..2a0967383087 (16 commits) (flutter/engine#7285)

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Top left and top right for big FABs, and top left for mini FABs.

Also, some code cleanup.

* Renamed --save-compilation-trace to flutter run --train.
* Renamed --precompile=<file> to --compilation-trace-file=<file>.
* In dynamic mode, made JIT snapshot the default, instead of kernel file.

It's easier to run the android_views integration test this way, without
needing to worry if we have a local clone of the goldens repo or not.

We have a page on the Web page now.

https://github.com/flutter/engine/compare/6a9041853c4b...54a3577c0139

git log 6a9041853c4b..54a3577c0139 --no-merges --oneline
54a3577c0 Roll src/third_party/skia b03e024a4034..bdfe3a3ee9c3 (14 commits) (flutter/engine#7277)
ead76a4db Remove unused native function dumpCopmpilationTrace(). (flutter/engine#7276)
eaffc462a [License] Enable avoid_positional_boolean_parameters lint (flutter/engine#7275)
b07753bad [License] Sync analysis_options.yaml from framework (flutter/engine#7273)
233c100b6 [License] Enable always_require_non_null_named_parameters
f4b348f77 [License] Enable flutter_style_todos lint
48be433ce [License] Enable prefer_is_empty lint
bd648bad6 [License] Enable prefer_const_constructors lint
2b207a51c [License] Enable unnecessary_parenthesis lint
97ae27164 [License] Enable prefer_initializing_formals lint
c8f83fbea [License] Enable prefer_collection_literals lint
d120e15af [License] Enable prefer_void_to_null lint
e2ab3780a [License] Enable directives_ordering lint
5f2e6cd41 [License] Enable unnecessary_overrides lint
bd955d78a [License] Enable avoid_function_literals_in_foreach_calls lint
392df65f6 [License] Enable prefer_const_declarations lint
06e35912d [License] Enable prefer_final_fields lint
32423ef38 [License] Enable prefer_asserts_in_initializer_lists lint
4703a7f10 [License] Enable prefer_equal_for_default_values lint
1d7285bea [License] Enable empty_catches lint
68fadca0e [License] Enable unnecessary_this lint
c6f5e67cb [License] Enable prefer_single_quotes lint
cc51731d8 Clarify TextAffinity docs (flutter/engine#7238)

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https://github.com/flutter/engine/compare/e859296b71de...6a9041853c4b

git log e859296b71de..6a9041853c4b --no-merges --oneline
6a9041853 [License] Assert license filename is non-null, non-empty (flutter/engine#7270)
72aa37842 [License] Eliminate duplicate case in switch (flutter/engine#7269)
74af4429a Mark all unreassigned locals final in license tool (flutter/engine#7267)
0310e910d Roll src/third_party/skia 44539be30ef8..b03e024a4034 (7 commits) (flutter/engine#7268)

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* adding support for android app bundle.

* removing the debug statement.

* fixing formatting and code review changes.

* Revert "fixing formatting and code review changes."

This reverts commit 2041d459f335242555a0b75e445343134c245494.

* Fixing code formatting issues.

* updating review comments fixing comments and spacing.

* changing and to & to rerun the CI and tests.

* updating the comment to re-run the test

updating the comment to re-run the test

* fixing the formatting.

* updating comments to re-trigger build

updating comments to re-trigger build

This reverts commit 76f70810.

* Remove many timeouts.

These are essentially self-inflicted race conditions. Instead of timeouts we're going to try a more verbose logging mechanism that points out when things are taking a long time.

* Get the attach tests to pass.

* Apply review comments from Todd

* More review comment fixes

* Put back the extended timeouts here now that I know why we have them...

* Switch over to the new name for compilation trace native function.

Also see: https://github.com/flutter/engine/pull/7256

* rename

* roll the engine

* fix crash

* default baseline

* Fix bug in calculation of downstream text distance when aligned: right

* After having affinity explained to me, match getOffset and tests to
expected behavior

* Clean up test formatting and fix analyze errors

* Improve test comments and reorganize a bit

* Specify logical pixels

https://github.com/flutter/engine/compare/5ec8ef850934...dbdb5e6f8c9f

git log 5ec8ef850934..dbdb5e6f8c9f --no-merges --oneline
dbdb5e6f8 Roll src/third_party/skia 428ec1e55c05..44539be30ef8 (1 commits) (flutter/engine#7265)
cf11d86bf Roll src/third_party/skia 21ee517391bc..428ec1e55c05 (3 commits) (flutter/engine#7264)
2d2b9d753 Re-run license tool on all source when it changes (flutter/engine#7260)
5fa1d5980 Roll src/third_party/skia 7757bba636d8..21ee517391bc (1 commits) (flutter/engine#7263)
6a1f01724 Roll src/third_party/skia ce9a901a76eb..7757bba636d8 (4 commits) (flutter/engine#7262)
079d60452 Add a system message channel for controlling the Skia resource cache size (flutter/engine#7257)
41222d055 Update usage of some Android APIs that are deprecated in API level 28 (flutter/engine#7261)

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* adds Force Press gesture detector and recognizer

https://github.com/flutter/engine/compare/9edb4f72b914...5ec8ef850934

git log 9edb4f72b914..5ec8ef850934 --no-merges --oneline
5ec8ef850 Remove unused GrContext in AndroidSurfaceGL (flutter/engine#7258)
c08a80ada Roll src/third_party/skia 8d23a584fc43..ce9a901a76eb (10 commits) (flutter/engine#7259)

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https://github.com/flutter/engine/compare/526e0e3afb2c...9edb4f72b914

git log 526e0e3afb2c..9edb4f72b914 --no-merges --oneline
9edb4f72b Update dynamic patching terminilogy to match that of the flutter tool (flutter/engine#7248)
2c9fc872d Roll src/third_party/skia 1a237195b527..8d23a584fc43 (8 commits) (flutter/engine#7255)
8b73b9d42 Fix javadoc for Android-28 (flutter/engine#7254)
2e4a02719 Roll src/third_party/skia 192d66440910..1a237195b527 (1 commits) (flutter/engine#7253)
ccaac1af3 Roll src/third_party/skia b933285ebb4e..192d66440910 (3 commits) (flutter/engine#7252)
8939e2abe Fix a misspelling (flutter/engine#7234)
ada6748d0 Extract function to collect licenses for component (flutter/engine#7250)
9f10b10a0 Roll src/third_party/skia 67761eb35f97..b933285ebb4e (1 commits) (flutter/engine#7251)
cfbc94864 Roll buildroot to support Android SDK 28 (flutter/engine#7245)

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