Revert "PowerManagerService: Enable light sensor debug output"

This reverts commit 22d12ab.

Bug: 5505809

Author: mikeandroid

services/java/com/android/server/PowerManagerService.java

@@ -264,7 +264,7 @@ public class PowerManagerService extends IPowerManager.Stub
     // could be either static or controllable at runtime
     private static final boolean mSpew = false;
     private static final boolean mDebugProximitySensor = (false || mSpew);
-    private static final boolean mDebugLightSensor = (true || mSpew);
+    private static final boolean mDebugLightSensor = (false || mSpew);
 
     private native void nativeInit();
     private native void nativeSetPowerState(boolean screenOn, boolean screenBright);