am e8228afb: Merge change I92cdc5ed into eclair

Merge commit 'e8228afb2bd005ae25ce58719f9d678389b26a16' into eclair-plus-aosp

* commit 'e8228afb2bd005ae25ce58719f9d678389b26a16':
  PerformanceCollector: Collect & report perf measurements in key/value form