Add the EGL_ANDROID_get_frame_timestamps extension

Change-Id: Ia7d1c10f0b8bd1f2f6dc7dc180764cb1b4fdbf6f
diff --git a/opengl/libs/EGL/egl_object.h b/opengl/libs/EGL/egl_object.h
index 8f3b9cb..97eda4c 100644
--- a/opengl/libs/EGL/egl_object.h
+++ b/opengl/libs/EGL/egl_object.h
@@ -139,6 +139,7 @@
     EGLConfig config;
     sp<ANativeWindow> win;
     egl_connection_t const* cnx;
+    bool enableTimestamps;
 private:
     bool connected;
     void disconnect();