[automerger skipped] DO NOT MERGE: Revert "Revert "Add dependencies on libprocessgroup for sched_policy users"" am: 9491078300 -s ours
am: 7f758a81e4 -s ours
am skip reason: subject contains skip directive

Change-Id: Icc1aed0aab4a45e674c56083648bdb348c73db3e