24152 Fix use of multiple shells w/ different snapshots (affects: engine, cla: yes, platform-android, platform-fuchsia, platform-ios, platform-linux, platform-macos, platform-windows)

24181 Make activity/fragment leftover from an attach/detach race slightly safer (cla: yes, platform-android)

24272 Fix ImageReader may leak images when onDraw() not called (cla: yes, platform-android, waiting for tree to go green)

24288 [Android Text Input] Remove Samsung restart input workaround for newer Samsung keyboards (cla: yes, platform-android, waiting for tree to go green)

24340 Remove NonNull annotation on FlutterCallbackInformation.lookupCallbackInformation (cla: yes, platform-android)

24356 Refactor GPU access switch (cla: yes, embedder, platform-android, platform-fuchsia, platform-ios)