Make dialpad slide down when dismissed by tapping outside

The dialpad currently simply disappears from view immediately when
dismissed by tapping in the space above it. instead, it should
slide downwards.

Change-Id: Idba1b8c6ccf40a6b12ea611d880e9f86183e6478
diff --git a/src/com/android/dialer/dialpad/DialpadFragment.java b/src/com/android/dialer/dialpad/DialpadFragment.java
index ae9700f..7762721 100644
--- a/src/com/android/dialer/dialpad/DialpadFragment.java
+++ b/src/com/android/dialer/dialpad/DialpadFragment.java
@@ -419,7 +419,7 @@
             @Override
             public boolean onTouch(View v, MotionEvent event) {
                 if (isDigitsEmpty()) {
-                    hideAndClearDialpad();
+                    hideAndClearDialpad(true);
                     return true;
                 }
                 return false;
@@ -1059,11 +1059,11 @@
 
     public void callVoicemail() {
         startActivity(getVoicemailIntent());
-        hideAndClearDialpad();
+        hideAndClearDialpad(false);
     }
 
-    private void hideAndClearDialpad() {
-        ((DialtactsActivity) getActivity()).hideDialpadFragment(false, true);
+    private void hideAndClearDialpad(boolean animate) {
+        ((DialtactsActivity) getActivity()).hideDialpadFragment(animate, true);
     }
 
     public static class ErrorDialogFragment extends DialogFragment {
@@ -1158,7 +1158,7 @@
                         (getActivity() instanceof DialtactsActivity ?
                                 ((DialtactsActivity) getActivity()).getCallOrigin() : null));
                 startActivity(intent);
-                hideAndClearDialpad();
+                hideAndClearDialpad(false);
             }
         }
     }