Merge from open-source master

Change-Id: Ie25bbfbf12fa8902d9ba82cf2d4ed4c60d439e39
diff --git a/cmds/pm/src/com/android/commands/pm/Pm.java b/cmds/pm/src/com/android/commands/pm/Pm.java
index 9b8b0ac..46fa114 100644
--- a/cmds/pm/src/com/android/commands/pm/Pm.java
+++ b/cmds/pm/src/com/android/commands/pm/Pm.java
@@ -341,9 +341,11 @@
         if (nonLocalized != null) {
             return nonLocalized.toString();
         }
-        Resources r = getResources(pii);
-        if (r != null) {
-            return r.getString(res);
+        if (res != 0) {
+            Resources r = getResources(pii);
+            if (r != null) {
+                return r.getString(res);
+            }
         }
         return null;
     }