DO NOT MERGE Optimizing ScreenDecorations performance

Avoid calling onTuningChanged() when onConfigurationChanged() trigger
Only calling onTuningChanged() when roundedCornersChanged is true.

Test: atest SystemUITests
Test: atest ScreenDecorationsTest
Bug: 148912090
Change-Id: I2507d12b277d058cef390d7c55488d0d09dde206
Merged-In: Ie33526214072ad324ca00a10074ad212dfbf4258

packages/SystemUI/src/com/android/systemui/ScreenDecorations.java

@@ -588,8 +588,8 @@ public class ScreenDecorations extends SystemUI implements Tunable,
                 mRoundedDefaultTop = newRoundedDefaultTop;
                 mRoundedDefaultBottom = newRoundedDefaultBottom;
             }
+            onTuningChanged(SIZE, null);
         }
-        onTuningChanged(SIZE, null);
     }
 
     private void updateViews() {