Add testing of optimizations to GM

include/core/SkPicture.h

Index: include/core/SkPicture.h
===================================================================
--- include/core/SkPicture.h	(revision 8655)
+++ include/core/SkPicture.h	(working copy)
@@ -115,7 +115,16 @@
             Note: Currently this is not serializable, the bounding data will be
             discarded if you serialize into a stream and then deserialize.
         */
-        kOptimizeForClippedPlayback_RecordingFlag = 0x02
+        kOptimizeForClippedPlayback_RecordingFlag = 0x02,
+        /*
+            This flag disables all the picture recording optimizations (i.e.,
+            those in SkPictureRecord). It is mainly intended for testing the 
+            existing optimizations (i.e., to actually have the pattern
+            appear in an .skp we have to disable the optimization). This
+            option doesn't affect the optimizations controlled by
+            'kOptimizeForClippedPlayback_RecordingFlag'.
+         */
+        kDisableRecordOptimizations_RecordingFlag = 0x04
     };
 
     /** Returns the canvas that records the drawing commands.