Roll Flutter Engine from 7d5a120a601b to f539acfb8c5a (2 revisions) (#140959)

https://github.com/flutter/engine/compare/7d5a120a601b...f539acfb8c5a

2024-01-04 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from Wgogr8K1YZdo7yOnn... to 0Q4I0x-Kt7T6DOE1b... (flutter/engine#49529)
2024-01-04 mbrase@google.com [fuchsia] Remove LoggingSocketTest.UseSyslogOnFuchsia test (flutter/engine#49524)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from Wgogr8K1YZdo to 0Q4I0x-Kt7T6

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 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://issues.skia.org/issues/new?component=1389291&template=1850622

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
https://dart.googlesource.com/external/github.com/flutter/flutter/+/a7035829241054a3e362d7f3fa8ff1e314a273f6
diff --git a/DEPS b/DEPS
index 2022e72..0e7dbe7 100644
--- a/DEPS
+++ b/DEPS
@@ -274,7 +274,7 @@
 
   'engine/src/third_party/dart': Var('dart_git') + '/sdk' + '@' + '91d16af92bbd905f95ae7ca6abb59588145f2220',
 
-  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'da62d4a86d9fa87f76ab1fd18c87f53095f433ec',
+  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'a7035829241054a3e362d7f3fa8ff1e314a273f6',
 
   'engine/src/flutter/third_party/rapidjson':
    Var('flutter_git') + '/third_party/rapidjson' + '@' + 'ef3564c5c8824989393b87df25355baf35ff544b',
diff --git a/commits.json b/commits.json
index 3ac2244..bf42b57 100644
--- a/commits.json
+++ b/commits.json
@@ -1,5 +1,5 @@
 {
   "engine/src/flutter":"f539acfb8c5a07b6317bdfdc22588cc1ed125ae7",
   "engine/src/third_party/dart":"91d16af92bbd905f95ae7ca6abb59588145f2220",
-  "flutter":"da62d4a86d9fa87f76ab1fd18c87f53095f433ec"
+  "flutter":"a7035829241054a3e362d7f3fa8ff1e314a273f6"
 }
\ No newline at end of file