Merge "[automerger skipped] Merge "Add some more public doc for MacAddress"...

Merge "[automerger skipped] Merge "Add some more public doc for MacAddress" into rvc-dev am: 2ddb47fa am: 64b59634 -s ours am: 1b19f5d8 -s ours" into rvc-qpr-dev-plus-aosp am: 4775274a -s ours

am skip reason: Change-Id I0f6e59eda42fd92ec34db0e9bc2d26d2e83d41d0 with SHA-1 7af09d00 is in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12107302

Change-Id: I3e10401d02360f2e3d410cd4839cf27721552450