Clean up EGL thread state at thread exit in nanobench and DM

include/gpu/gl/command_buffer/SkCommandBufferGLContext.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 SKCOMMANDBUFFERGLCONTEXT_DEFINED
 #define SKCOMMANDBUFFERGLCONTEXT_DEFINED
 
@@ skipping 22 matching lines @@
             return nullptr;
         }
         return ctx;
     }
 
     void presentCommandBuffer();
 
     bool makeCurrent();
     int getStencilBits();
     int getSampleCount();
-
+    static void ReleaseGpuAPIsInThread();
 private:
     SkCommandBufferGLContext();
     SkCommandBufferGLContext(void* nativeWindow, int msaaSampleCount);
     void initializeGLContext(void* nativeWindow, const int* configAttribs,
                              const int* surfaceAttribs);
     void destroyGLContext();
 
     void onPlatformMakeCurrent() const override;
     void onPlatformSwapBuffers() const override;
     GrGLFuncPtr onPlatformGetProcAddress(const char* name) const override;
 
     void* fContext;
     void* fDisplay;
     void* fSurface;
     void* fConfig;
 };
 
 #endif // SK_COMMAND_BUFFER
 
 #endif