Roll Flutter Engine from c784d6d4137d to 502e1eb591d9 (14 revisions) (#126714)

https://github.com/flutter/engine/compare/c784d6d4137d...502e1eb591d9

2023-05-12 30870216+gaaclarke@users.noreply.github.com [Impeller] starts
running vulkan golden image tests with swiftshader
(flutter/engine#41958)
2023-05-12 mdebbar@google.com [web] Fix crash on old versions of Chrome
(Intl.Segmenter missing) (flutter/engine#41986)
2023-05-12 godofredoc@google.com Move clang tidy v2 build to prod.
(flutter/engine#41985)
2023-05-12 godofredoc@google.com Reland "Move linux_license to engine
v2."" (flutter/engine#41983)
2023-05-12 skia-flutter-autoroll@skia.org Roll Dart SDK from
6cd6e54f280d to 858f83d6d993 (2 revisions) (flutter/engine#41980)
2023-05-12 skia-flutter-autoroll@skia.org Roll Skia from 0b929ada9cc6 to
539fb10d7cfb (2 revisions) (flutter/engine#41979)
2023-05-12 skia-flutter-autoroll@skia.org Roll Fuchsia Mac SDK from
MjcKzcsqMDkuRKopu... to rO5qs4MpN6WfJcu64... (flutter/engine#41975)
2023-05-12 skia-flutter-autoroll@skia.org Roll Dart SDK from
4028c7d8b87c to 6cd6e54f280d (1 revision) (flutter/engine#41974)
2023-05-12 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from
lf8VcONMWlne4oa3H... to HMLNsG7w9sTDpW2Ge... (flutter/engine#41973)
2023-05-12 skia-flutter-autoroll@skia.org Roll Skia from 208a07f71701 to
0b929ada9cc6 (2 revisions) (flutter/engine#41971)
2023-05-12 dnfield@google.com [Impeller] [Android] Refactor the Android
context/surface implementation to work more like Skia.
(flutter/engine#41059)
2023-05-12 skia-flutter-autoroll@skia.org Roll Skia from ccec5093ca38 to
208a07f71701 (1 revision) (flutter/engine#41970)
2023-05-12 jonahwilliams@google.com [Impeller] Dont synthesize fake
index buffer if none was provided to VBB (flutter/engine#41969)
2023-05-12 dnfield@google.com [Impeller] Make index buffer optional
(flutter/engine#41962)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from lf8VcONMWlne to HMLNsG7w9sTD
  fuchsia/sdk/core/mac-amd64 from MjcKzcsqMDku to rO5qs4MpN6Wf

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
Please CC aaclarke@google.com,rmistry@google.com,zra@google.com on the
revert to ensure that a human
is aware of the problem.

To file a bug in Flutter:
https://github.com/flutter/flutter/issues/new/choose

To report a problem with the AutoRoller itself, please file a bug:
https://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

-c784d6d4137d821b293d04b20894449fd8c60432
+502e1eb591d906d2048421cadbde7b766a3b4e8b

bin/internal/fuchsia-linux.version

-lf8VcONMWlne4oa3HXXMXDC9pf9-OJNDk1ygYZ2qWqEC
+HMLNsG7w9sTDpW2GecGUfnqCES6V_46gNkJOV-kujwMC

bin/internal/fuchsia-mac.version

-MjcKzcsqMDkuRKopuMDRTGkKtlJD0rh9mUGxwgIQYAMC
+rO5qs4MpN6WfJcu64eJALAaoegaUj9h45s4ukOERn_wC