Add new atom for EVS usage statistics

This change adds EvsUsageStatsReported that contains various usage
statistics collected by EVS service.

Bug: 153236752
Test: $ANDROID_HOST_OUT/bin/statsd_testdrive 274 after allowing
      AID_AUTOMOTIVE_EVS to log
Change-Id: I99fe24d7679678e8bb3fa779f299f253a9e703f0
1 file changed