Merge "Test script for source tree treble build" am: 43e163e870

Original change: https://android-review.googlesource.com/c/platform/development/+/2619170

Change-Id: I6cf9655fa3b366738c752a93583885060d5817d2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>