Manual roll Flutter Engine from d623ecf43c66 to 51e643de62aa (5 revisions) (#134865)

Manual roll requested by zra@google.com

https://github.com/flutter/engine/compare/d623ecf43c66...51e643de62aa

2023-09-15 zanderso@users.noreply.github.com Adds a --quiet flag to run_tests.py (flutter/engine#45880)
2023-09-15 reidbaker@google.com Update AGP and Kotlin for scenario app  (flutter/engine#45549)
2023-09-15 kjlubick@users.noreply.github.com Migrate GrMipmapped->skgpu::Mipmapped (flutter/engine#45881)
2023-09-15 30870216+gaaclarke@users.noreply.github.com [Impeller] Introduce mock vulkan context builder (flutter/engine#45834)
2023-09-15 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from ES0r-mYplPOBYHvUQ... to wWzXsy6kx1sp8Km34... (flutter/engine#45879)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from ES0r-mYplPOB to wWzXsy6kx1sp

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

-d623ecf43c66056b4b0df2a9ab3638e0b09bab56
+51e643de62aaac978856dd8a111679e073f68885

bin/internal/fuchsia-linux.version

-ES0r-mYplPOBYHvUQWej_QitxiDHZC6VI_W-1-F2Im4C
+wWzXsy6kx1sp8Km34yMP4z_bIX4Hp2IigySu6bjGR-oC