Roll Flutter Engine from cc1e7d145067 to 7b49dc9dd073 (3 revisions) (…

…#145176)

flutter/engine@cc1e7d1...7b49dc9

2024-03-14 [email protected] Roll Dart SDK from 749988e4d748 to 2bc8b222d01f (1 revision) (flutter/engine#51421)
2024-03-14 [email protected] [web] - fix text editing IME composition interruption on geometry updates (flutter/engine#51323)
2024-03-14 [email protected] Avoid unnecessary transform resets for pixel snapping (flutter/engine#51337)

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 [email protected],[email protected],[email protected] 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

bin/internal/engine.version

@@ -1 +1 @@
-cc1e7d1450672261e7dd9b541e256cf7cf1d72cf
+7b49dc9dd073fa1760d8ecdca635c6e5b402ee51