[automerger skipped] Add malloc benchmarks. am: c8c4babc33 -s ours
am: 5ab1dfe3ba -s ours
am skip reason: change_id I1995d98fd269b61d9c96efed6eff3ed278e24c97 with SHA1 7ec2c8a9b6 is in history

Change-Id: I26305ad54b376ab8741024cd6bc889ffcf3366f1