Cupertino localization step 6: add a GlobalCupertinoLocalizations base class with date time formatting (#29767)

Reland: Ensure that flutter run/drive/test/update_packages only downloads required artifacts  (#30254)

Mark ios-deploy version 2.0.0 as bad.

ios-deploy before version 1.9.4 declares itself as v2.0.0
https://github.com/ios-control/ios-deploy/commits/master/src/ios-deploy/version.h

`Border.all()` is a factory constructor and thus not const
constructible. This change adds a `const Border.uniform()`
constructor and makes `Border.all()` delegate to it. This allows
callers to more likely be able to make their widget tree const
constructible.

When submitting data to a server, callers need a callback that will
get invoked after all the individual form fields are saved. If they
have a button that submits the form, they could just do this logic
in the click handler for the button (save the form, then submit to
the server), but if they have more ways than one to submit the form
(i.e. hitting enter while in a text form field), then it becomes
more convoluted and calls for a unified callback that will get
notified when the form is submitted.

None of its callers were using the return value, so no need to
invoke the `isValid` getter unnecessarily.

To describe what its return value represents

https://github.com/flutter/engine/compare/0c393d64e4d1...ff1bcdc00941

git log 0c393d64e4d1c4cd408a591eac72ba05cdc2c0da..ff1bcdc00941188ba27123a4857b443e3c9392bb --no-merges --oneline
ff1bcdc00 Add Views V2 support for Fuchsia (flutter/engine#8115)

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* Add sample for ValueListenableBuilder

https://github.com/flutter/engine/compare/6bc33b5e1442...0c393d64e4d1

git log 6bc33b5e144254ceab274298dd61d9d9ed0dcc8f..0c393d64e4d1c4cd408a591eac72ba05cdc2c0da --no-merges --oneline
0c393d64e Roll dart back to 907c514c8937cf76e (flutter/engine#8473)
fea42a259 Roll src/third_party/dart 9e1adc54a7..389ccc9000 (10 commits)
d6cf2bda1 Roll src/third_party/dart da4ccd0855..9e1adc54a7 (3 commits)
0c2a2c1c4 Initialize OpacityLayer's matrix to identity (flutter/engine#8467)
7fd4caf03 Roll src/third_party/dart 1ad11facec..da4ccd0855 (6 commits)
d3fbaea9a Android Embedding PR25: Prevent black rectangle when launching FlutterActivity (flutter/engine#8460)
99da038da Document the leak_vm flag. (flutter/engine#8462)
ce7c21ce9 Log the correct function on error in the embedder. (flutter/engine#8461)
e10d46421 Improve path metrics tests and docs (flutter/engine#7851)
424045c3f Enable shutting down all root isolates in a VM. (flutter/engine#8457)
816e3dc0f Roll src/third_party/dart 907c514c89..1ad11facec (7 commits)
45dc353ee Roll src/third_party/skia 0e35ce27e0e9..053b2939938c (10 commits) (flutter/engine#8458)

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-* Inserted an `IconTheme` widget under `CupertinoTheme` to provide a default icon color when using `CupertinoTheme`.
* Changed `CupertinoTheme` to a `StatelessWidget`, to match the implementation of `Theme`
* Changed the nesting order of `Theme`'s sub widgets, to let `Theme.iconTheme` take precedence, so that `Theme`'s behavior is kept as is.

https://github.com/flutter/engine/compare/2fe4439178f3...6bc33b5e1442

git log 2fe4439178f3e09ddaa4d016688691a1adc65ed6..6bc33b5e144254ceab274298dd61d9d9ed0dcc8f --no-merges --oneline
6bc33b5e1 Android Embedding PR24: Allow FlutterActivity to provide an engine, also adjust FlutterFragment timing to avoid Activity launch lag. (flutter/engine#8448)
08a133508 More detailed comments for engine build windows VM (flutter/engine#8456)
1854b8571 Roll src/third_party/dart a2709992a2..907c514c89 (1 commits)

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2fe443917 Roll src/third_party/skia 558637996569..0e35ce27e0e9 (11 commits) (flutter/engine#8454) (#30567)


https://github.com/flutter/engine/compare/7e79b1f03db0...2fe4439178f3

git log 7e79b1f03db04a70509a207d5a0ce2de498f9aba..2fe4439178f3e09ddaa4d016688691a1adc65ed6 --no-merges --oneline
2fe443917 Roll src/third_party/skia 558637996569..0e35ce27e0e9 (11 commits) (flutter/engine#8454)

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* Correctly synthesise buttons, and add tests

https://github.com/flutter/engine/compare/3c3b26b55c16...7e79b1f03db0

git log 3c3b26b55c1682cbf58a712d102c66dca53f93e4..7e79b1f03db04a70509a207d5a0ce2de498f9aba --no-merges --oneline
7e79b1f03 Roll src/third_party/dart 896f1c4bb9..a2709992a2 (25 commits)
9c4c043ae Roll src/third_party/skia 604d5a3fca01..558637996569 (1 commits) (flutter/engine#8452)
754453df3 Roll src/third_party/skia 1f58a8e457ba..604d5a3fca01 (1 commits) (flutter/engine#8451)
d6d45da07 Roll src/third_party/skia b0ababfe5ad2..1f58a8e457ba (3 commits) (flutter/engine#8450)

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Fixes a crash that happened when attempting to select text in trackpad mode on iOS.

3c3b26b55 Roll src/third_party/skia 51874e3e3712..b0ababfe5ad2 (1 commits) (flutter/engine#8449) (#30540)


https://github.com/flutter/engine/compare/697e541a8d94...3c3b26b55c16

git log 697e541a8d9475b504a2bd6f335b4f004775adf3..3c3b26b55c1682cbf58a712d102c66dca53f93e4 --no-merges --oneline
3c3b26b55 Roll src/third_party/skia 51874e3e3712..b0ababfe5ad2 (1 commits) (flutter/engine#8449)

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The current repair command for Arch Linux is no longer valid because
`lib32-libstdc++5` had been removed from multilib.

Actually, `lib32-gcc-libs` from core just work.
Also see https://github.com/flutter/flutter/issues/25035

https://github.com/flutter/engine/compare/8b74cba20bb8...697e541a8d94

git log 8b74cba20bb878d1e75747200f75dfaff5925bda..697e541a8d9475b504a2bd6f335b4f004775adf3 --no-merges --oneline
697e541a8 Add scripts that prepares our windows VM image (flutter/engine#8446)

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https://github.com/flutter/engine/compare/219bf5938752...8b74cba20bb8

git log 219bf5938752e0030b491565af1910c137b83dd8..8b74cba20bb878d1e75747200f75dfaff5925bda --no-merges --oneline
8b74cba20 Make sure FlutterViewController flushs all pending touches when no longer active (flutter/engine#8400)
06cab8171 Roll src/third_party/skia e4628b10722f..51874e3e3712 (2 commits) (flutter/engine#8445)
5460926c0 Roll src/third_party/dart 9814cb1b9c..896f1c4bb9 (4 commits)
694fc5677 Build windows engine on GCE (flutter/engine#8442)

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* Add constants `kPrimaryButton`, `kTouchContact` and `kStylusContact`
* PointerDownEvent and PointerMoveEvent will always set the 0x01 bit on buttons

Fix MaterialApp's _navigatorObserver so it doesn't cause WidgetApp's assertion to fail when using custom navigator, fixes #18904

https://github.com/flutter/engine/compare/0f70d5d4f1e3...219bf5938752

git log 0f70d5d4f1e3ed377781bc6e73e3666c73afc7f8..219bf5938752e0030b491565af1910c137b83dd8 --no-merges --oneline
219bf5938 Roll src/third_party/skia 1383a38e1d92..e4628b10722f (12 commits) (flutter/engine#8443)
a40adfdf4 Add window title/icon support to GLFW shell (flutter/engine#8435)

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https://github.com/flutter/engine/compare/5944867cabdb...0f70d5d4f1e3

git log 5944867cabdb934ef9fea0dccb865cb1acef51b5..0f70d5d4f1e3ed377781bc6e73e3666c73afc7f8 --no-merges --oneline
0f70d5d4f Roll src/third_party/dart 600b2831ef..9814cb1b9c (7 commits)
4b1ec56bc Roll src/third_party/skia f346df396a23..1383a38e1d92 (8 commits) (flutter/engine#8440)

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Adds the "2D Transformations" demo to the gallery, which shows how to do things such as navigate around a map a la Google Maps, or show a full screen zoomable photo.  The idea is to abstract this code into a first class widget soon.

* Fix: ui.PointerChange.remove might contain position change, but we used to expand it into a Cancel and Remove, neither of which allows position change. A Hover event is added, and a test is updated accordingly.
* Fixed the issue where a PointerMoveEvent and a PointerCancelEvent do not receive the correct pressure.
* Refactor the calculation of delta into deltaTo.

https://github.com/flutter/engine/compare/ad9d2417e9aa...5944867cabdb

git log ad9d2417e9aa182700f0d1423de758d2a000598d..5944867cabdb934ef9fea0dccb865cb1acef51b5 --no-merges --oneline
5944867ca update to use SkTileMode (flutter/engine#8439)

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