Deprecate MediaStore.DownloadColumns.DESCRIPTION.

Bug: 130226648
Test: manual
Change-Id: I020d681e988eaa37871994860bea5ae2ab81d10e
diff --git a/api/removed.txt b/api/removed.txt
index 20304a0..8836326 100644
--- a/api/removed.txt
+++ b/api/removed.txt
@@ -526,6 +526,10 @@
     field public static final String DURATION = "duration";
   }
 
+  public static interface MediaStore.DownloadColumns extends android.provider.MediaStore.MediaColumns {
+    field @Deprecated public static final String DESCRIPTION = "description";
+  }
+
   public static interface MediaStore.Images.ImageColumns extends android.provider.MediaStore.MediaColumns {
     field public static final String BUCKET_DISPLAY_NAME = "bucket_display_name";
     field public static final String BUCKET_ID = "bucket_id";