Simplify code for All Apps touch feedback

Change-Id: I5a2ab81a140cdbd619434b266e16b8a938f5990c
diff --git a/src/com/android/launcher2/PagedViewIcon.java b/src/com/android/launcher2/PagedViewIcon.java
index b0288dc..c79555e 100644
--- a/src/com/android/launcher2/PagedViewIcon.java
+++ b/src/com/android/launcher2/PagedViewIcon.java
@@ -56,15 +56,7 @@
     }
 
     protected void drawableStateChanged() {
-        if (isPressed()) {
-            if (getAlpha() != 0.5f) {
-                setAlpha(0.5f);
-            }
-        } else {
-            if (getAlpha() != 1f) {
-                setAlpha(1f);
-            }
-        }
+        setAlpha(isPressed() ? 0.5f : 1f);
         super.drawableStateChanged();
     }
 }