8411 Added new Android embedding packages to javadoc generation. (cla: yes)

8412 Pass environment defines to compile flutter platform step. (cla: yes)

8414 Separate the data required to bootstrap the VM into its own class. (cla: yes)

8416 Add scroll wheel support to desktop GLFW shell (cla: yes)

8417 Remove use of DART_CHECK_VALID. (cla: yes)

8419 Support message loops whose tasks are executed concurrently. (cla: yes)

8421 dart:ui Locale: add toLanguageTag() (cla: yes)

8425 Roll buildroot (cla: yes)

8427 Eliminate unused displayBounds parameter (cla: yes)

8429 Make AccessibilityViewEmbedder final (cla: yes)