Merge "VT: Add auto downgrade function" am: d5a24879c6 am: fa90d44b7b

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/953058

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ib190c2043605f17108547f0c8c67b6de97fcac64