Remove VisualBench and its Android implementation.

tools/VisualBench/VisualDebugModule.h

-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef VisualDebugModule_DEFINED
-#define VisualDebugModule_DEFINED
-
-#include "VisualModule.h"
-
-#include "SkDebugCanvas.h"
-#include "VisualBench.h"
-#include "VisualBenchmarkStream.h"
-
-class VisualDebugModule : public VisualModule {
-public:
-    VisualDebugModule(VisualBench* owner);
-    void draw(SkCanvas* canvas) override;
-    bool onHandleChar(SkUnichar unichar) override;
-
-private:
-    enum State {
-        kInit_State,
-        kPlay_State,
-        kNext_State,
-    };
-
-    bool advanceIfNecessary(SkCanvas*);
-
-    State fState;
-    SkAutoTUnref<SkDebugCanvas> fDebugCanvas;
-    int fIndex;
-
-    // support framework
-    VisualBench* fOwner;
-    SkAutoTDelete<VisualBenchmarkStream> fBenchmarkStream;
-
-    typedef VisualModule INHERITED;
-};
-
-#endif