Merge "[automerger skipped] Merge "Allow tuning of heaptargetutilization" am: 0e3e2a73c6 am: e673072feb am: f74eb32c12 -s ours am skip reason: change_id I19680ff5fa1ebf9dfd4a3f71533d03510f4da414 with SHA1 b2910d3b6f is in history"