Update LabeledEditor text color when it becomes empty/non-empty (E11)

Bug 23898909
Bug 23589603

Change-Id: I72cfd5b3ad3e072de14accc0ea938b2a12dada85
diff --git a/src/com/android/contacts/editor/LabeledEditorView.java b/src/com/android/contacts/editor/LabeledEditorView.java
index 931d7cf..244b682 100644
--- a/src/com/android/contacts/editor/LabeledEditorView.java
+++ b/src/com/android/contacts/editor/LabeledEditorView.java
@@ -378,6 +378,9 @@
                 if (mIsDeletable) mDeleteContainer.setVisibility(View.VISIBLE);
             }
             mWasEmpty = isEmpty;
+
+            // Update the label text color
+            mEditTypeAdapter.notifyDataSetChanged();
         }
     }