Merge "The script to find a proper build id for system image" am: a6e19ea288

Original change: https://android-review.googlesource.com/c/platform/development/+/2435372

Change-Id: I64becb8d36485c6c5f85334b22f22b8a8ac2c191
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>