Roll Flutter Engine from 4ea7bd07328b to 45137ea6ba29 (2 revisions) (#143135)

https://github.com/flutter/engine/compare/4ea7bd07328b...45137ea6ba29

2024-02-07 goderbauer@google.com Report display sizes in physical pixels on MacOS (flutter/engine#50221)
2024-02-07 68449066+zijiehe-google-com@users.noreply.github.com [Fuchsia] Run tests with multiple packages (flutter/engine#50219)

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 chinmaygarde@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://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

-4ea7bd07328b1276a0a0ea61468dde1fff418c33
+45137ea6ba29f7bb9f7d653ee3efeee432128df3