Merge "Add GLOBAL_ACTION_ACCESSIBILITY_ALL_APPS" into rvc-dev am: 310bf309 am: e5d2175c am: 44fabb6f am: 7a6c349f

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

Change-Id: I5a17bccd39d5e2a7dd61e1b0bc9c2d83817ae094