Merge "Modify docs to clarify rules around placing calls to CF MMI codes" into...

Merge "Modify docs to clarify rules around placing calls to CF MMI codes" into main am: a0b29244 am: 742f5c5f am: 522f1249

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2811013



Change-Id: I3af56f62e0d16a8a95f709e5274456ede696b1a3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>