[automerger skipped] Retry: Enable mainline prebuilts on tm-dev branch. am: c7b5e2c0 -s ours

am skip reason: Merged-In I3ed091156c4b39dad6eaf578144ac3d070025988 with SHA-1 03e32400 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/build/+/18557348



Change-Id: I9e5af510c80f350a0b55a43131ac0cad2383b041
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>