pixelstat: add missing attr of VendorAudioHardwareStatsReported

 Missing the default attributes in the proto definition

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

Signed-off-by: Roger Fang <rogerfang@google.com>
Change-Id: Iaf22cd64af07851bf683a6ffc319353a49285f20
1 file changed