Fix Sinhala keyboard layout

This CL modifes the following points.
- add digit hint letters on the 1st row.
- remove digit more keys from shifted layout.
- use normal font for Sinhala letters.
- use auto X scale flag to fix Sinhala letters on a key top.

Bug: 6911143
Change-Id: I082ea38529399dce7d99c980e2be07c35d2e912d
diff --git a/java/res/xml/rows_sinhala.xml b/java/res/xml/rows_sinhala.xml
index b47b373..5a058c9 100644
--- a/java/res/xml/rows_sinhala.xml
+++ b/java/res/xml/rows_sinhala.xml
@@ -25,18 +25,21 @@
         latin:keyboardLayout="@xml/key_styles_common" />
     <Row
         latin:keyWidth="9.091%p"
+        latin:keyLabelFlags="fontNormal|autoXScale"
     >
         <include
             latin:keyboardLayout="@xml/rowkeys_sinhala1" />
     </Row>
     <Row
-            latin:keyWidth="9.091%p"
+        latin:keyWidth="9.091%p"
+        latin:keyLabelFlags="fontNormal|autoXScale"
     >
         <include
             latin:keyboardLayout="@xml/rowkeys_sinhala2" />
     </Row>
     <Row
         latin:keyWidth="8.711%p"
+        latin:keyLabelFlags="fontNormal|autoXScale"
     >
         <Key
             latin:keyStyle="shiftKeyStyle"