Merge "Add GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS" into rvc-dev am: 310bf309 am: e5d2175c am: 44fabb6f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11697460

Change-Id: I6a7975f21cd1f98736b88b6d49d97a9269a1737f