Use lowercase locale array to make sure language is pre-selected

Author: oguzkocer

WordPressUtils/src/main/java/org/wordpress/android/util/StringUtils.java

@@ -186,7 +186,7 @@ public static String removeTrailingSlash(final String str) {
             return str;
         }
 
-        return str.substring(0, str.length() -1);
+        return str.substring(0, str.length() - 1);
     }
 
     /*
@@ -301,4 +301,10 @@ public static long stringToLong(String s, long defaultValue) {
             return defaultValue;
         }
     }
+
+    public static void convertArrayToLowercase(String[] array) {
+        for (int i = 0; i < array.length; i++) {
+            array[i] = array[i].toLowerCase();
+        }
+    }
 }