Merge "Blur media.metrics timestamps for privacy" into oc-mr1-dev

    // we control these, generally not trusting user input

    nsecs_t now = systemTime(SYSTEM_TIME_REALTIME);

    // round nsecs to seconds

    now = ((now + 500000000) / 1000000000) * 1000000000;

    item->setTimestamp(now);

    int pid = IPCThreadState::self()->getCallingPid();

    int uid = IPCThreadState::self()->getCallingUid();