Roll Flutter Engine from a1d930a3a84d to 55c62ff82c7e (3 revisions) (#148365)

https://github.com/flutter/engine/compare/a1d930a3a84d...55c62ff82c7e

2024-05-14 jonahwilliams@google.com [Impeller] reland: directly encode blit commands for Metal. (flutter/engine#52819)
2024-05-14 skia-flutter-autoroll@skia.org Roll Skia from 81ba2eea7b42 to d0d87c26b489 (2 revisions) (flutter/engine#52825)
2024-05-14 chris@bracken.jp [docs] Suggest using same Xcode version as bots (flutter/engine#52821)

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 bdero@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
diff --git a/bin/internal/engine.version b/bin/internal/engine.version
index 3364726..6e7b8f5 100644
--- a/bin/internal/engine.version
+++ b/bin/internal/engine.version
@@ -1 +1 @@
-a1d930a3a84d5fbc1d80f4feb572777fcab6ea23
+55c62ff82c7e805b75469439b9a874f6a87ae84f