Fix duplicate period on Persian tablet keyboard

Bug: 6679579
Change-Id: I8bccbfbdf7ea1fa1b78a5af05eb1df100f22ab0c
diff --git a/java/res/xml-sw600dp/key_dash.xml b/java/res/xml-sw600dp/key_dash.xml
index 118b67f..b139c29 100644
--- a/java/res/xml-sw600dp/key_dash.xml
+++ b/java/res/xml-sw600dp/key_dash.xml
@@ -34,6 +34,7 @@
             <Key
                 latin:keyLabel="."
                 latin:keyHintLabel="!text/keyhintlabel_for_arabic_diacritics"
+                latin:keyLabelFlags="hasPopupHint"
                 latin:moreKeys="!text/more_keys_for_arabic_diacritics"
                 latin:keyStyle="hasShiftedLetterHintStyle" />
         </case>