[automerger skipped] GpuStats: refactor single stats pieces into a uniform way am: 65a1504e80 -s ours
am: 2a5a4d9782 -s ours
am skip reason: change_id I2907065a55d03a6c1494737e6f0a77f6e94272eb with SHA1 b1c1a377a8 is in history

Change-Id: I276e7f9039976133bccc31a43711b3dd24361ed4