Partial unclipped save layer support

Not yet implemented in renderer.

Change-Id: I491ec6e7886bfa313d1db71dd5981690d45b78a9
diff --git a/libs/hwui/Snapshot.h b/libs/hwui/Snapshot.h
index 5fac3a1..dbaa905 100644
--- a/libs/hwui/Snapshot.h
+++ b/libs/hwui/Snapshot.h
@@ -116,7 +116,7 @@
          * Indicates that this snapshot or an ancestor snapshot is
          * an FBO layer.
          */
-        kFlagFboTarget = 0x8,
+        kFlagFboTarget = 0x8, // TODO: remove for HWUI_NEW_OPS
     };
 
     /**