[automerger skipped] Merge "DO NOT MERGE: Revert "Revert "ART: add libprocessgroup dependency and fix sched_policy include""" am: 0051a239 -s ours am: cd95bff9 -s ours am skip reason: subject contains skip directive Change-Id: I18a61dbb3c71716a06a4b114e0fa1b38c0282af7