8183 Clip to clip_rect instead of paint bounds (cla: yes)

8185 Simplify the fallback waiter and add traces for vsync scheduling overhead. (cla: yes)

8196 Add –no-full-dart-sdk option to GN (cla: yes)

8202 [platform_view] iOSP platformView composition optimize. (cla: yes, platform-ios)

8203 Export FlutterSemanticsUpdateNotification and improve docs (cla: yes)

8204 Disable build_ios due to large queue times. (cla: yes)

8206 Define the dart_platform_sdk GN variable only on host targets (cla: yes)

8208 Plumb a reference of PlatformViewsController and AccessibilityBridge to each other (cla: yes)

8210 Correct greater than or equal logic in offset base (cla: yes)