Merge "Add emulator metadata generator script" am: 72205da1 am: 1d67e9c8 am: 87a1249b

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2531482



Change-Id: Ia976f5fe77f914c2d9da41c7098fc04522f8d8b8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>