Right align view linked contacts buttons

Neutral buttons are aligned to the left (start) side while negative
buttons are aligned directly to the left (start) of positive buttons.

Test: Manual verified placement of buttons in normal and RTL modes.

Bug: 33103521
Change-Id: Ie6e10871865c27db80a346fd4064362fa9d7c36b
diff --git a/src/com/android/contacts/editor/PickRawContactDialogFragment.java b/src/com/android/contacts/editor/PickRawContactDialogFragment.java
index 23a2b9b..eacb3cc 100644
--- a/src/com/android/contacts/editor/PickRawContactDialogFragment.java
+++ b/src/com/android/contacts/editor/PickRawContactDialogFragment.java
@@ -194,7 +194,7 @@
                             getActivity().startActivityForResult(intent, REQUEST_CODE_JOIN);
                         }
                     });
-            builder.setNeutralButton(R.string.contact_editor_unlink_contacts,
+            builder.setNegativeButton(R.string.contact_editor_unlink_contacts,
                     new DialogInterface.OnClickListener() {
                         @Override
                         public void onClick(DialogInterface dialog, int which) {