29196 Detect and cleanup leaky processes (a: tests, cla: yes, team: flakes)

29200 Cupertino localization step 1: add an English arb file (a: internationalization, cla: yes, f: cupertino, framework)

29229 Install JDK and Android SDK only for integration tests (cla: yes, team, waiting for tree to go green)

29231 Adds macOS raw keyboard mapping (a: desktop, cla: yes, framework)

29236 Add skip to group in test_compat (a: tests, cla: yes, framework)

29245 Fix DartDoc for UniqueKey (cla: yes, d: api docs, framework, waiting for tree to go green)

29247 Update flutter_localizations translations (cla: yes)