Reduce jank around loading view when opening data usage UI

Change-Id: I3d23d8160b046de8fe125ba0697b7b3d7786453c
Fix: 28181319
Test: robotests

src/com/android/settings/Utils.java

@@ -949,43 +949,6 @@ public final class Utils extends com.android.settingslib.Utils {
         return result;
     }
 
-    // TODO: move this out of Utils to a mixin or a controller or a helper class.
-    @Deprecated
-    public static void handleLoadingContainer(View loading, View doneLoading, boolean done,
-            boolean animate) {
-        setViewShown(loading, !done, animate);
-        setViewShown(doneLoading, done, animate);
-    }
-
-    private static void setViewShown(final View view, boolean shown, boolean animate) {
-        if (animate) {
-            Animation animation = AnimationUtils.loadAnimation(view.getContext(),
-                    shown ? android.R.anim.fade_in : android.R.anim.fade_out);
-            if (shown) {
-                view.setVisibility(View.VISIBLE);
-            } else {
-                animation.setAnimationListener(new AnimationListener() {
-                    @Override
-                    public void onAnimationStart(Animation animation) {
-                    }
-
-                    @Override
-                    public void onAnimationRepeat(Animation animation) {
-                    }
-
-                    @Override
-                    public void onAnimationEnd(Animation animation) {
-                        view.setVisibility(View.INVISIBLE);
-                    }
-                });
-            }
-            view.startAnimation(animation);
-        } else {
-            view.clearAnimation();
-            view.setVisibility(shown ? View.VISIBLE : View.INVISIBLE);
-        }
-    }
-
     /**
      * Returns the application info of the currently installed MDM package.
      */