Add new Burmese/Myanmar language to the list

Rendering this on my computer is a pain, so patches welcome if I screwed
up the unicode since all I can see is squares.

app/src/main/res/values/donottranslate.xml

@@ -69,6 +69,7 @@
         <item>ko</item>
         <item>lt</item>
         <item>lv</item>
+        <item>my</item>
         <item>nb</item>
         <item>nl</item>
         <item>pl</item>
@@ -123,6 +124,7 @@
         <item>한국어</item>
         <item>Lietuvių</item>
         <item>Latviešu</item>
+        <item>မြန်မာစာ</item>
         <item>Norsk bokmål</item>
         <item>Nederlands</item>
         <item>Polski</item>