pixelstats: modify VendorAudioHardwareStatsReported for lint

g3 lint requires proto naming as lower case.

Bug: 227458662
Bug: 239508478
Test: Trigger ATEST TH build pass

Signed-off-by: Roger Fang <rogerfang@google.com>
Change-Id: I2ea341c15783a2db64001e5898875550554d1f52
1 file changed