Merge "Send the hint immediately when actual > target" into tm-dev am: 49c95b16

    mTimestampsNanos.push_back(now);

    /**

     * Use current sample to determine the rate limit. We can pick a shorter rate limit

     * if any sample underperformed, however, it could be the lower level system is slow

     * to react. So here we explicitly choose the rate limit with the latest sample.

     * Cache the hint if the hint is not overtime and the mLastUpdateTimestamp is

     * still in the mPreferredRateNanos duration.

     */

    int64_t rateLimit = actualDurationNanos > mTargetDurationNanos ? mPreferredRateNanos

                                                                   : 10 * mPreferredRateNanos;

    if (now - mLastUpdateTimestamp <= rateLimit) return 0;

    if (actualDurationNanos < mTargetDurationNanos &&

        now - mLastUpdateTimestamp <= mPreferredRateNanos) {

        return 0;

    }

    binder::Status ret =

            mHintSession->reportActualWorkDuration(mActualDurationsNanos, mTimestampsNanos);