Merge "Add prebuilts for py3 embedded launcher" am: 4ee596afdb am: 9284718725

Original change: https://android-review.googlesource.com/c/platform/prebuilts/build-tools/+/1532845

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I12e087263e2a157458fe5246fbb595fcf0cfc369