[automerger skipped] Merge "DO NOT MERGE: Revert "Revert "Add libprocessgroup dependency""" am: 5342de92e0 -s ours
am: 2b8e48240e -s ours
am skip reason: subject contains skip directive

Change-Id: I032c0d13df8e02ba2ee52616d32c0a0066dc79e7