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

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



Change-Id: I44d613aa1c20d4cc34f7dafe4475a1269de4a680
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>