Try fix the mac build bot after removing Android SampleApp

include/views/SkOSWindow_Android.h

-/*
- * Copyright 2011 Skia
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#ifndef SkOSWindow_Android_DEFINED
-#define SkOSWindow_Android_DEFINED
-
-#include "SkWindow.h"
-
-#include <EGL/egl.h>
-
-struct SkAndroidWindow {
-    EGLDisplay fDisplay;
-    EGLSurface fSurface;
-    EGLContext fContext;
-};
-
-class SkOSWindow : public SkWindow {
-public:
-    SkOSWindow(void*);
-    ~SkOSWindow();
-
-    enum SkBackEndTypes {
-        kNone_BackEndType,
-        kNativeGL_BackEndType,
-    };
-
-    bool attach(SkBackEndTypes attachType, int msaaSampleCount, bool deepColor,
-                AttachmentInfo* info);
-    void release();
-    void present();
-    bool makeFullscreen() { return true; }
-    void closeWindow();
-    void setVsync(bool);
-    bool destroyRequested() { return fDestroyRequested; }
-
-protected:
-    // overrides from SkWindow
-    virtual void onHandleInval(const SkIRect&);
-    virtual void onSetTitle(const char title[]);
-
-private:
-    SkAndroidWindow fWindow;
-    ANativeWindow* fNativeWindow;
-    bool fDestroyRequested;
-
-    typedef SkWindow INHERITED;
-};
-
-#endif