24876 Adds a fade in and out, rounds corners, fixes offset and fixes height of cursor on iOS (a: text input, cla: yes, f: cupertino, f: material design, framework)

24878 Add a flutter-attach entry point for fuchsia (cla: yes, tool)

24881 Remove offstage wording from KeepAlive (cla: yes, framework)

24889 Update AUTHORS (cla: yes, team)

24890 Remove deprecated lint “prefer_bool_in_asserts”. (cla: yes, team)

24892 Handle a TabBarView special case: last tab deleted before animation ends (cla: yes, f: material design, framework)

24930 Run flutter tests through mini test engine when run directly (flutter run -t test_file) (a: tests, cla: yes, framework)