[automerger skipped] Merge "VT: Add auto downgrade function" am: d5a24879 am: fa90d44b am: bb9fd126 -s ours am: 944867d6

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

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9c455c2af8d74715ad8e82d714192838c48c2ef0