Remove use of private ValueAnimator api

Change-Id: I455edcd17bda83ab51c2c04fa40e66097a4d6975
diff --git a/src/com/android/launcher2/PagedView.java b/src/com/android/launcher2/PagedView.java
index ad0baf4..8ceac8f 100644
--- a/src/com/android/launcher2/PagedView.java
+++ b/src/com/android/launcher2/PagedView.java
@@ -18,7 +18,6 @@
 
 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
-import android.animation.ObjectAnimator;
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.content.res.TypedArray;
@@ -1756,7 +1755,7 @@
             if (immediately) {
                 mScrollIndicator.setAlpha(1f);
             } else {
-                mScrollIndicatorAnimator = ObjectAnimator.ofFloat(mScrollIndicator, "alpha", 1f);
+                mScrollIndicatorAnimator = LauncherAnimUtils.ofFloat(mScrollIndicator, "alpha", 1f);
                 mScrollIndicatorAnimator.setDuration(sScrollIndicatorFadeInDuration);
                 mScrollIndicatorAnimator.start();
             }
@@ -1782,7 +1781,7 @@
                 mScrollIndicator.setVisibility(View.INVISIBLE);
                 mScrollIndicator.setAlpha(0f);
             } else {
-                mScrollIndicatorAnimator = ObjectAnimator.ofFloat(mScrollIndicator, "alpha", 0f);
+                mScrollIndicatorAnimator = LauncherAnimUtils.ofFloat(mScrollIndicator, "alpha", 0f);
                 mScrollIndicatorAnimator.setDuration(sScrollIndicatorFadeOutDuration);
                 mScrollIndicatorAnimator.addListener(new AnimatorListenerAdapter() {
                     private boolean cancelled = false;