[Android] Add translatable="false" to the names of the string arrays in prefvalues.xml.

Source/Android/res/values/prefvalues.xml

@@ -1,11 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <resources>
-    <string-array name="gpuOptions">
+    <string-array name="gpuOptions" translatable="false">
         <item>Software Renderer</item>
         <item>OpenGL ES 3</item>
     </string-array>
 
-    <string-array name="gpuValues">
+    <string-array name="gpuValues" translatable="false">
         <item>Software Renderer</item>
         <item>OGL</item>
     </string-array>