am a13a02cd: New permission for non-purgeable cache downloads.

Merge commit 'a13a02cd0ec6c0584fc2423feb974d77d0945964' into gingerbread-plus-aosp

* commit 'a13a02cd0ec6c0584fc2423feb974d77d0945964':
  New permission for non-purgeable cache downloads.
diff --git a/core/java/android/provider/Downloads.java b/core/java/android/provider/Downloads.java
index 7e1d685..1b37107 100644
--- a/core/java/android/provider/Downloads.java
+++ b/core/java/android/provider/Downloads.java
@@ -624,6 +624,13 @@
                 "android.permission.SEND_DOWNLOAD_COMPLETED_INTENTS";
 
         /**
+         * The permission to downloads files to the cache partition that won't be automatically
+         * purged when space is needed.
+         */
+        public static final String PERMISSION_CACHE_NON_PURGEABLE =
+                "android.permission.DOWNLOAD_CACHE_NON_PURGEABLE";
+
+        /**
          * The content:// URI for the data table in the provider
          */
         public static final Uri CONTENT_URI =