7926 Remove unused FML file export.h (cla: yes)

7927 Dynamic patching support for native code libraries. (cla: yes)

7928 New setting to decide whether we want the engine to load ICU mapping. (cla: yes)

7929 Do not clear FlutterJNI state when a FlutterView is detached (cla: yes)

7937 fix sendLocales on old android versions (cla: yes)

7942 Correct FlutterSemanticsNode member name style (cla: yes)

7946 Android Embedding PR 8: Add FlutterEngine attachment/detachment to FlutterView (cla: yes)

7947 Android Embedding PR 9: Introduce an AndroidTouchProcessor to convert MotionEvents to Flutter touch data. (cla: yes)