Merge "Drop special-casing of atv in source/prebuilt selection" into main am:...

Merge "Drop special-casing of atv in source/prebuilt selection" into main am: 542c7412 am: 564f2937

Original change: https://android-review.googlesource.com/c/platform/build/+/3028110



Change-Id: I2dc2d3431770be33ecd4dd0743ba93bfc6e9a7a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>