Merge "Use flag for min supported target sdk" into main am: 8fbc0cfa

Original change: https://android-review.googlesource.com/c/platform/build/+/3037729



Change-Id: Ide48d45bc903f444c9b3d179625ea29f59c8ac65
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>