Roll Flutter Engine from 20037e385bda to 44405aedba13 (3 revisions) (#144710)

https://github.com/flutter/engine/compare/20037e385bda...44405aedba13

2024-03-06 bdero@google.com [Impeller] Append fewer redundant points when bridging triangle strips between contours. (flutter/engine#51232)
2024-03-06 jason-simmons@users.noreply.github.com [Impeller] Apply padding for alignment when doing HostBuffer::Emplace with a callback (flutter/engine#51221)
2024-03-06 jason-simmons@users.noreply.github.com [Impeller] Create a new render target with the specified attachment configs when reusing cached render target textures (flutter/engine#51208)

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

bin/internal/engine.version

-20037e385bda1c68668f86706f8e6568352cecf7
+44405aedba13da57396f75261885a689eece3a33