7558 Fix UIButton selector doesn’t work in iOS platformview (cla: yes)

7563 Fix typos in Fuchsia (cla: yes)

7566 Avoid unnecessarily creating/destroying the PlatformView (cla: yes)

7567 Rename FlutterResult in embedder.h (cla: yes)

7576 Allow generating coverage reports for all unit-tests in the engine. (cla: yes)

7577 [embedder] Avoid looking for the kernel binary in AOT builds. (cla: yes)

7579 Add lcov coverage file generation. (cla: yes)

7588 Embed ICU data inside libflutter.so on Android (cla: yes)