Roll Flutter Engine from 76a1c64f4e63 to 971ddd9fe1bf (6 revisions) (#153487)

flutter/engine@76a1c64...971ddd9

2024-08-15 98614782+auto-submit[bot]@users.noreply.github.com Reverts "macOS: Refactor create_macos_framework.py (#54557)" (flutter/engine#54566)
2024-08-15 98614782+auto-submit[bot]@users.noreply.github.com Reverts "[Impeller] migrate blur tests to display list. (#54519)" (flutter/engine#54564)
2024-08-15 jonahwilliams@google.com [Impeller] migrate blur tests to display list. (flutter/engine#54519)
2024-08-14 skia-flutter-autoroll@skia.org Roll Fuchsia Test Scripts from J1EXQ2ozMIQEa6F7H... to -XDS8eBA0Le-zCEfW... (flutter/engine#54561)
2024-08-14 chris@bracken.jp macOS: Refactor create_macos_framework.py (flutter/engine#54557)
2024-08-14 skia-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from MeV5i7xXXFPHF5sBK... to qpfC-GAVZvOwAQU5f... (flutter/engine#54559)

Also rolling transitive DEPS:
  fuchsia/sdk/core/linux-amd64 from MeV5i7xXXFPH to qpfC-GAVZvOw

If this roll has caused a breakage, revert this CL and stop the roller
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https://autoroll.skia.org/r/flutter-engine-flutter-autoroll
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Author: engine-flutter-autoroll

bin/internal/engine.version

@@ -1 +1 @@
-76a1c64f4e63f03a8593ed0214f2d933ad211818
+971ddd9fe1bfd626e9cc38e908bf9c7177b20eff

bin/internal/fuchsia-linux.version

@@ -1 +1 @@
-MeV5i7xXXFPHF5sBKYFaLczLFAP_t9wp4YIFSvOyajkC
+qpfC-GAVZvOwAQU5fSbzWmOQevK_0p1ZCV0-Pw9O9LcC