Merge "LVM True mono support : Initial version" am: c84e930a10 am: 9b3ea76c66

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/1554985

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9fe12e889c75addbd60cfbc8e601aea8080f6be9