Merge "Convert ns to ms when averaging light values" into tm-qpr-dev

import java.util.List;

import java.util.Set;

import java.util.concurrent.Executor;

import java.util.concurrent.TimeUnit;

class CameraPrivacyLightController implements AppOpsManager.OnOpActiveChangedListener,

        SensorEventListener {

    public void onSensorChanged(SensorEvent event) {

        // Using log space to represent human sensation (Fechner's Law) instead of lux

        // because lux values causes bright flashes to skew the average very high.

        addElement(event.timestamp, Math.max(0,

        addElement(TimeUnit.NANOSECONDS.toMillis(event.timestamp), Math.max(0,

                (int) (Math.log(event.values[0]) * LIGHT_VALUE_MULTIPLIER)));

        updateLightSession();

        mHandler.removeCallbacksAndMessages(mDelayedUpdateToken);