Prefer Boolean.valueOf() to new Boolean()

Avoids unnecessary allocations.

Bug: N/A
Test: Treehugger
Change-Id: I4f1c9753decbb5da605a150a5bb878e565d1ba96

core/java/android/preference/SeekBarVolumizer.java

@@ -541,7 +541,8 @@ public class SeekBarVolumizer implements OnSeekBarChangeListener, Handler.Callba
         }
 
         public void postUpdateSlider(int volume, int lastAudibleVolume, boolean mute) {
-            obtainMessage(UPDATE_SLIDER, volume, lastAudibleVolume, new Boolean(mute)).sendToTarget();
+            obtainMessage(UPDATE_SLIDER, volume, lastAudibleVolume, Boolean.valueOf(mute))
+                    .sendToTarget();
         }
     }