Merge "Modify docs to clarify rules around placing calls to CF MMI codes" into main am: a0b29244af am: 742f5c5fc3 am: 522f1249d6

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

Change-Id: I3af56f62e0d16a8a95f709e5274456ede696b1a3
Signed-off-by: Automerger Merge Worker <[email protected]>