28153 Use Android linter from cmdline-tools (platform-android, cla: yes, waiting for tree to go green)

28168 Add a comment in the FlutterEngineGroup’s constructor to avoid using the activity’s context (platform-android, cla: yes, waiting for tree to go green, needs tests)

28175 TextEditingDelta support for Android (platform-android, cla: yes)

28206 Fix regression in system UI colors (platform-android, bug (regression), cla: yes, waiting for tree to go green)

28207 Revert “Adds semantics tooltip support” (platform-ios, platform-android, cla: yes, platform-web, platform-fuchsia, embedder)

28211 Issues/86577 reland (platform-ios, platform-android, cla: yes, waiting for tree to go green, platform-web, platform-fuchsia, embedder)