Fix maketext template to use @UsedForTesting

This is a follow up of I0b7e0c19.

Change-Id: I8530453bfba9d4de2b134f52acc931cc9659a9d6
diff --git a/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl b/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
index 15aea90..00637af 100644
--- a/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
+++ b/tools/maketext/res/com/android/inputmethod/keyboard/internal/KeyboardTextsSet.tmpl
@@ -19,7 +19,7 @@
 import android.content.Context;
 import android.content.res.Resources;
 
-import com.android.inputmethod.annotations.VisibleForTesting;
+import com.android.inputmethod.annotations.UsedForTesting;
 import com.android.inputmethod.latin.CollectionUtils;
 import com.android.inputmethod.latin.R;
 
@@ -65,7 +65,7 @@
         loadStringResourcesInternal(context, RESOURCE_NAMES, R.string.english_ime_name);
     }
 
-    @VisibleForTesting
+    @UsedForTesting
     void loadStringResourcesInternal(Context context, final String[] resourceNames,
             int referenceId) {
         final Resources res = context.getResources();