Use more standard Unicode notations in keyboard layout resource files.

bug: 5988656
Change-Id: Ie2416ccd790f29934a37e9dc77d7525e5113048a
diff --git a/java/res/xml/rows_azerty.xml b/java/res/xml/rows_azerty.xml
index 533c683..6f607cb 100644
--- a/java/res/xml/rows_azerty.xml
+++ b/java/res/xml/rows_azerty.xml
@@ -136,7 +136,7 @@
              order of "4,3,1,2". See @string/more_keys_for_single_quote -->
         <Key
             latin:keyLabel="\'"
-            latin:moreKeys="\u2018,\u2019,\u201b,\u201a" />
+            latin:moreKeys="&#x2018;,&#x2019;,&#x201B;,&#x201A;" />
         <Key
             latin:keyStyle="deleteKeyStyle"
             latin:keyWidth="fillRight"