Merge "Camera: Allow synthetic extension metadata" into tm-dev am: eb177cd5...

Merge "Camera: Allow synthetic extension metadata" into tm-dev am: eb177cd5 am: 5ea3dfe7 am: da8ee7b5 am: 87839ae3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18801658



Change-Id: I88847b22180ad4adef1a6a05cc51b96663720ef0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>