Add Hebrew to language list

even though I don't seem to get it to work in the emulator.

android_app/app/src/main/res/values/arrays.xml

@@ -15,6 +15,7 @@
         <item>Galician (Galego)</item>
         <item>German (Deutsch)</item>
         <item>Greek (ελληνικά)</item>
+        <item>Hebrew (עברית)</item>
         <item>Italian (Italiano)</item>
         <item>Japanese (日本語)</item>
         <item>Norwegian Bokmål (Norsk)</item>
@@ -43,6 +44,7 @@
         <item>gl</item>
         <item>de</item>
         <item>el</item>
+        <item>he</item>
         <item>it</item>
         <item>ja</item>
         <item>nb</item>