Add support for setting action mode titles/subtitles by resource ID

Change-Id: Ia0d5234cc16f325eeb29127fb87e2616d67379ec
diff --git a/core/java/com/android/internal/app/ActionBarImpl.java b/core/java/com/android/internal/app/ActionBarImpl.java
index e457701..99dbe4c 100644
--- a/core/java/com/android/internal/app/ActionBarImpl.java
+++ b/core/java/com/android/internal/app/ActionBarImpl.java
@@ -422,6 +422,16 @@
         }
 
         @Override
+        public void setTitle(int resId) {
+            setTitle(mActivity.getString(resId));
+        }
+
+        @Override
+        public void setSubtitle(int resId) {
+            setSubtitle(mActivity.getString(resId));
+        }
+
+        @Override
         public CharSequence getTitle() {
             return mUpperContextView.getTitle();
         }