Merge "Add new script for metadata build target" into main am: 502175c0

Original change: https://android-review.googlesource.com/c/platform/build/+/3112939



Change-Id: I1171b175ea72e20e6dfc2ae064782318a53c6368
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>