[automerger skipped] Merge "DO NOT MERGE: Revert "Revert "Add libprocessgroup dependency""" am: 5342de92e0 -s ours am: 2b8e48240e -s ours
am: 61130815a1 -s ours
am skip reason: subject contains skip directive

Change-Id: Ifd3004be0ccab309fbd241f127c74d44edd3a2ff