40900 Stop using deprecated features from Gradle (cla: yes, tool)

40917 AnimatedBuilder API Doc improvements (cla: yes, framework, waiting for tree to go green)

40925 Use AndroidX in new projects by default (cla: yes, tool)

40927 Make module pod headers public (a: existing-apps, cla: yes, tool, ⌺‬ platform-ios)

40968 add missing trailing commas in flutter_tools (cla: yes, team, tool, waiting for tree to go green)

40979 Revert “Run flutter update-packages --force-upgrade.” (cla: yes, team)

40984 Revert “Use separate isolate for image loading. (#34188)” (cla: yes, framework)