Roll Flutter Engine from f4dc96aef71b to 593d4d6b1f9b (1 revision) (#127635)

https://github.com/flutter/engine/compare/f4dc96aef71b...593d4d6b1f9b

2023-05-26 jason-simmons@users.noreply.github.com [Impeller] Disable the wide gamut settings flag on iOS simulators (flutter/engine#42331)

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://bugs.chromium.org/p/skia/issues/entry?template=Autoroller+Bug

Documentation for the AutoRoller is here:
https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md

bin/internal/engine.version

-f4dc96aef71b430ed9e0f3f18c6777d2ceeb02da
+593d4d6b1f9b835a885519dacf8c96fc88d3b8df