Roll Skia from 9bb1fc4bc326 to 5518bb27db67 (2 revisions) (#173363)

https://skia.googlesource.com/skia.git/+log/9bb1fc4bc326..5518bb27db67

2025-08-06 bungeman@google.com Remove
SK_FONTMGR_ANDROID_IGNORE_FALLBACK_FIX
2025-08-06 bungeman@google.com Reland "Rely on clients to opt into
legacy RRect scaling"

If this roll has caused a breakage, revert this CL and stop the roller
using the controls here:
https://autoroll.skia.org/r/skia-flutter-autoroll
Please CC bungeman@google.com,codefu@google.com,kjlubick@google.com on
the revert to ensure that a human
is aware of the problem.

To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry
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
https://dart.googlesource.com/external/github.com/flutter/flutter/+/417f69cf94be018ca7b0469cd0983f21f05d536b
diff --git a/DEPS b/DEPS
index 7bbb2a1..134dd3f 100644
--- a/DEPS
+++ b/DEPS
@@ -231,7 +231,7 @@
 deps = {
   'flutter/engine/src/flutter/third_party/dart': Var('dart_git') + '/sdk' + '@' + '07c248c6e9483f1908ce2e6dc2f28d4611c70459',
 
-  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + 'ca16ba745adf87fbf497d17826a592a43c2fe274',
+  'flutter': Var('flutter_git') + '/mirrors/flutter' + '@' + '417f69cf94be018ca7b0469cd0983f21f05d536b',
 
   'flutter/engine/src/flutter/third_party/depot_tools':
   Var('chromium_git') + '/chromium/tools/depot_tools.git' + '@' + '580b4ff3f5cd0dcaa2eacda28cefe0f45320e8f7',
diff --git a/commits.json b/commits.json
index 8f7564a..783b6a6 100644
--- a/commits.json
+++ b/commits.json
@@ -1,4 +1,4 @@
 {
-  "flutter":"ca16ba745adf87fbf497d17826a592a43c2fe274",
+  "flutter":"417f69cf94be018ca7b0469cd0983f21f05d536b",
   "flutter/engine/src/flutter/third_party/dart":"07c248c6e9483f1908ce2e6dc2f28d4611c70459"
 }
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