Set correct interpolator for dialpad animation

Bug: 16659277
Change-Id: Ia9639c6b8e3d192a4fbb2ad8c7a8452c5b31839e
diff --git a/src/com/android/dialer/DialtactsActivity.java b/src/com/android/dialer/DialtactsActivity.java
index 4cc11eb..7a9c4c2 100644
--- a/src/com/android/dialer/DialtactsActivity.java
+++ b/src/com/android/dialer/DialtactsActivity.java
@@ -89,6 +89,7 @@
 import com.android.dialer.widget.SearchEditTextLayout;
 import com.android.dialer.widget.SearchEditTextLayout.OnBackButtonClickedListener;
 import com.android.dialerbind.DatabaseHelperManager;
+import com.android.phone.common.animation.AnimUtils;
 import com.android.phone.common.animation.AnimationListenerAdapter;
 
 import java.util.ArrayList;
@@ -418,6 +419,9 @@
         mSlideOut = AnimationUtils.loadAnimation(this,
                 mIsLandscape ? R.anim.dialpad_slide_out_right : R.anim.dialpad_slide_out_bottom);
 
+        mSlideIn.setInterpolator(AnimUtils.EASE_IN);
+        mSlideOut.setInterpolator(AnimUtils.EASE_OUT);
+
         mSlideOut.setAnimationListener(mSlideOutListener);
 
         parentLayout = (FrameLayout) findViewById(R.id.dialtacts_mainlayout);