Preserve texture compression when saving a revised skp from debugger

gm/displacement.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
-#include "sk_tool_utils.h"
 #include "SkBitmapSource.h"
 #include "SkDisplacementMapEffect.h"
 #include "gm.h"
+#include "sk_tool_utils.h"
 
 namespace skiagm {
 
 class DisplacementMapGM : public GM {
 public:
     DisplacementMapGM() : fInitialized(false) {
         this->setBGColor(0xFF000000);
     }
 
 protected:
@@ skipping 185 matching lines @@
     SkBitmap fBitmap, fCheckerboard, fSmall, fLarge, fLargeW, fLargeH;
     bool fInitialized;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new DisplacementMapGM; }
 static GMRegistry reg(MyFactory);
 
 }