Use SystemClock.elapsedRealtime() instead of sensor timestamp

when processing light and proximity events.
This should fix loss of 2 second hysterisis for light sensor (b/2243521)

Change-Id: Ia3ce331e67d803eb5e51810cb7161b7c528312d7
Signed-off-by: Mike Lockwood <lockwood@android.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/services/java/com/android/server/PowerManagerService.java b/services/java/com/android/server/PowerManagerService.java
index 596325c2e232..fd518c3c87f6 100644
--- a/services/java/com/android/server/PowerManagerService.java
+++ b/services/java/com/android/server/PowerManagerService.java
@@ -2416,7 +2416,7 @@ class PowerManagerService extends IPowerManager.Stub
 
     SensorEventListener mProximityListener = new SensorEventListener() {
         public void onSensorChanged(SensorEvent event) {
-            long milliseconds = event.timestamp / 1000000;
+            long milliseconds = SystemClock.elapsedRealtime();
             synchronized (mLocks) {
                 float distance = event.values[0];
                 long timeSinceLastEvent = milliseconds - mLastProximityEventTime;
@@ -2453,7 +2453,7 @@ class PowerManagerService extends IPowerManager.Stub
                 }
 
                 int value = (int)event.values[0];
-                long milliseconds = event.timestamp / 1000000;
+                long milliseconds = SystemClock.elapsedRealtime();
                 if (mDebugLightSensor) {
                     Log.d(TAG, "onSensorChanged: light value: " + value);
                 }