Roll Flutter Engine from 1feb9302050c to db3ecf8b2739 (4 revisions) (#133609)

https://github.com/flutter/engine/compare/1feb9302050c...db3ecf8b2739

2023-08-29 bdero@google.com [Impeller] Remove unused HasThreadingRestrictions capability. (flutter/engine#45242)
2023-08-29 skia-flutter-autoroll@skia.org Roll Skia from fb09020ce62d to 8a2754a1ae60 (6 revisions) (flutter/engine#45241)
2023-08-29 47866232+chunhtai@users.noreply.github.com [Impeller] Update xcode_frame_capture.md (flutter/engine#45230)
2023-08-29 109111084+yaakovschectman@users.noreply.github.com Update documentation for updater callback. (flutter/engine#45239)

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 aaclarke@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

-1feb9302050c5a6f7e822433915d7159365ad65c
+db3ecf8b273912e8e41b1d4014ba69c09176d0ad