Fix stack overflow

Change-Id: I977b240ea462b40852ba9504282312d5fa4e2885
diff --git a/java/src/com/android/inputmethod/latin/SubtypeLocale.java b/java/src/com/android/inputmethod/latin/SubtypeLocale.java
index 772777f..fc61932 100644
--- a/java/src/com/android/inputmethod/latin/SubtypeLocale.java
+++ b/java/src/com/android/inputmethod/latin/SubtypeLocale.java
@@ -124,7 +124,7 @@
         // fixed.
         if (keyboardLayoutSet == null) {
             android.util.Log.w(TAG, "KeyboardLayoutSet not found, use QWERTY: " +
-                    getFullDisplayName(subtype) + " extraValue=" + subtype.getExtraValue());
+                    "locale=" + subtype.getLocale() + " extraValue=" + subtype.getExtraValue());
             return AdditionalSubtype.QWERTY;
         }
         return keyboardLayoutSet;