Revert^4 Build only the needed run-test shards with "test.py -b -t XXX" am: a6f7c74b50 am: 0ce6501a94 am: 7c7d4c25aa am: a31a50c352 am: cfd5afb34f

Original change: https://android-review.googlesource.com/c/platform/art/+/2223918

Change-Id: I744e73f2dbb1914268499dbe725b5b9b040567f2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>