base: Do not reset keyguard going away state

- Fixes the flicker on turning of the screen when udfps is enabled

Co-authored-by: Blaster4385 <venkateshchaturvedi12@gmail.com>
Change-Id: I9960b4e2f3ad5fbb04969224bd8c2eec1cd1f1ee
Signed-off-by: minaripenguin <minaripenguin@users.noreply.github.com>

Author: 2 people

packages/SystemUI/src/com/android/systemui/keyguard/KeyguardViewMediator.java

@@ -104,6 +104,7 @@
 import com.android.internal.policy.IKeyguardStateCallback;
 import com.android.internal.policy.ScreenDecorationsUtils;
 import com.android.internal.statusbar.IStatusBarService;
+import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.LatencyTracker;
 import com.android.internal.widget.LockPatternUtils;
 import com.android.keyguard.KeyguardConstants;
@@ -1424,7 +1425,11 @@ public void onStartedGoingToSleep(@WindowManagerPolicyConstants.OffReason int of
         // explicitly DO NOT want to call
         // mKeyguardViewControllerLazy.get().setKeyguardGoingAwayState(false)
         // here, since that will mess with the device lock state.
-        mUpdateMonitor.dispatchKeyguardGoingAway(false);
+        int[] udfpsProps = mContext.getResources().getIntArray(
+                com.android.internal.R.array.config_udfps_sensor_props);
+        if (ArrayUtils.isEmpty(udfpsProps)) {
+            mUpdateMonitor.dispatchKeyguardGoingAway(false);
+        }
 
         notifyStartedGoingToSleep();
     }