Revert of IWYU: 'core' target, files starting A-C.

gm/drawable.cpp

 /*
  * Copyright 2015 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 "SkCanvas.h"
 #include "SkDrawable.h"
-#include "SkPath.h"
 
 struct MyDrawable : public SkDrawable {
     SkRect onGetBounds() override { return SkRect::MakeWH(50, 100);  }
 
     void onDraw(SkCanvas* canvas) override {
        SkPath path;
        path.moveTo(10, 10);
        path.conicTo(10, 90, 50, 90, 0.9f);
 
        SkPaint paint;
@@ skipping 16 matching lines @@
     canvas->drawDrawable(drawable);
     canvas->drawDrawable(drawable, 0, 150);
 
     SkMatrix m = SkMatrix::MakeScale(1.5f, 0.8f);
     m.postTranslate(70, 0);
     canvas->drawDrawable(drawable, &m);
 
     m.postTranslate(0, 150);
     canvas->drawDrawable(drawable, &m);
 }