Merge "Modify docs to clarify rules around placing calls to CF MMI codes" into main am: a0b29244af am: 742f5c5fc3

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

Change-Id: I7f11d87ae51a454791318cc533a7fd9dd0e38690
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>