Done button closes group editor when name is empty.

Bug: 6571821
Change-Id: Ia17295c99fce37405c1c808c5aa92d5733397f6e
diff --git a/src/com/android/contacts/group/GroupEditorFragment.java b/src/com/android/contacts/group/GroupEditorFragment.java
index 6f9c4f9..acc99f4 100644
--- a/src/com/android/contacts/group/GroupEditorFragment.java
+++ b/src/com/android/contacts/group/GroupEditorFragment.java
@@ -570,6 +570,10 @@
      */
     public boolean save() {
         if (!hasValidGroupName() || mStatus != Status.EDITING) {
+            mStatus = Status.CLOSING;
+            if (mListener != null) {
+                mListener.onReverted();
+            }
             return false;
         }