Fix some unit tests.

The default value for the script needs to be Latin, as we don't specify
it in the files.

Change-Id: I1275f13f1cd92f00dc5708748fefb4982f0a60b3

java/src/com/android/inputmethod/keyboard/KeyboardLayoutSet.java

@@ -113,7 +113,7 @@ public final class KeyboardLayoutSet {
         boolean mIsSpellChecker;
         int mKeyboardWidth;
         int mKeyboardHeight;
-        int mScriptId;
+        int mScriptId = ScriptUtils.SCRIPT_LATIN;
         // Sparse array of KeyboardLayoutSet element parameters indexed by element's id.
         final SparseArray<ElementParams> mKeyboardLayoutSetElementIdToParamsMap =
                 new SparseArray<>();