[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: eae83047 -s ours am skip reason: subject contains skip directive Change-Id: I4943750c9e066dc7f7c6f47f12358184dd014c99