Remove use of private ValueAnimator api

Change-Id: I455edcd17bda83ab51c2c04fa40e66097a4d6975
diff --git a/src/com/android/launcher2/SearchDropTargetBar.java b/src/com/android/launcher2/SearchDropTargetBar.java
index 49dd23c..fada48a 100644
--- a/src/com/android/launcher2/SearchDropTargetBar.java
+++ b/src/com/android/launcher2/SearchDropTargetBar.java
@@ -111,14 +111,14 @@
         // Create the various fade animations
         if (mEnableDropDownDropTargets) {
             mDropTargetBar.setTranslationY(-mBarHeight);
-            mDropTargetBarAnim = ObjectAnimator.ofFloat(mDropTargetBar, "translationY",
+            mDropTargetBarAnim = LauncherAnimUtils.ofFloat(mDropTargetBar, "translationY",
                     -mBarHeight, 0f);
-            mQSBSearchBarAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "translationY", 0,
+            mQSBSearchBarAnim = LauncherAnimUtils.ofFloat(mQSBSearchBar, "translationY", 0,
                     -mBarHeight);
         } else {
             mDropTargetBar.setAlpha(0f);
-            mDropTargetBarAnim = ObjectAnimator.ofFloat(mDropTargetBar, "alpha", 0f, 1f);
-            mQSBSearchBarAnim = ObjectAnimator.ofFloat(mQSBSearchBar, "alpha", 1f, 0f);
+            mDropTargetBarAnim = LauncherAnimUtils.ofFloat(mDropTargetBar, "alpha", 0f, 1f);
+            mQSBSearchBarAnim = LauncherAnimUtils.ofFloat(mQSBSearchBar, "alpha", 1f, 0f);
         }
         setupAnimation(mDropTargetBarAnim, mDropTargetBar);
         setupAnimation(mQSBSearchBarAnim, mQSBSearchBar);