Add SampleApp slide with animating lightmapped objects & transparency

gm/SkLinearBitmapPipelineGM.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkBlitter.h"
 #include "SkCanvas.h"
 #include "SkColor.h"
 #include "SkImage.h"
 #include "SkImageInfo.h"
 #include "SkLinearBitmapPipeline.h"
 #include "SkXfermode.h"
 #include "SkPM4fPriv.h"
 #include "SkShader.h"
-#include "SkBitmapProcShader.h"
 
 static void fill_in_bits(SkBitmap& bm, SkIRect ir, SkColor c, bool premul) {
     bm.allocN32Pixels(ir.width(), ir.height());
     SkPixmap pm;
     bm.peekPixels(&pm);
 
     SkPMColor b = SkColorSetARGBMacro(255, 0, 0, 0);
     SkPMColor w;
     if (premul) {
         w = SkPreMultiplyColor(c);
@@ skipping 167 matching lines @@
             }
             canvas->restore();
             canvas->translate(0, H + 20);
         }
         canvas->restore();
         canvas->translate(0, (H + 20) * SK_ARRAY_COUNT(mats));
         if (useBilerp) break;
         useBilerp = true;
     }
 }