Merge "Add extension sdk finalization into update_prebuilts.py" into tm-dev am: 947ce2425c am: b91ff32f17

Original change: https://googleplex-android-review.googlesource.com/c/platform/prebuilts/sdk/+/17656206

Change-Id: I6dc523c74deeed6e0eb07315bd50cefa45b641c2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>