9114 Remove outdated TODOs (cla: yes)

9115 Added support for transparent FlutterActivitys (#32740). (cla: yes)

9120 Add plugin shim to facilitate old plugins in new embedding (#33478). (cla: yes)

9122 Implemented Log proxy that only logs in BuildConfig.DEBUG (#25391). (cla: yes)

9129 Roll buildroot to pick up fixed create_updated_flutter.deps.py (cla: yes)

9132 Reduce pipeline depth when GPU and Platform are same thread (cla: yes)

9134 Revert “Use track-widget-creation transformer included in the sdk. (#9085)” (cla: yes)

9143 Add missing ifndef guard for count_down_latch.h (cla: yes)