update EGL headers to most recent

- add ANDROID extensions missing from official headers:
    EGL_ANDROID_wait_sync
    EGL_ANDROID_presentation_time

Change-Id: I5496d0de123a6279234098c19f9a12220adec876
diff --git a/opengl/include/EGL/eglplatform.h b/opengl/include/EGL/eglplatform.h
index af4d11f..354ac22 100644
--- a/opengl/include/EGL/eglplatform.h
+++ b/opengl/include/EGL/eglplatform.h
@@ -25,7 +25,7 @@
 */
 
 /* Platform-specific types and definitions for egl.h
- * $Revision: 9724 $ on $Date: 2009-12-02 02:05:33 -0800 (Wed, 02 Dec 2009) $
+ * $Revision: 12306 $ on $Date: 2010-08-25 09:51:28 -0700 (Wed, 25 Aug 2010) $
  *
  * Adopters may modify khrplatform.h and this file to suit their platform.
  * You are encouraged to submit all modifications to the Khronos group so that
@@ -60,6 +60,11 @@
  * Windows Device Context. They must be defined in platform-specific
  * code below. The EGL-prefixed versions of Native*Type are the same
  * types, renamed in EGL 1.3 so all types in the API start with "EGL".
+ *
+ * Khronos STRONGLY RECOMMENDS that you use the default definitions
+ * provided below, since these changes affect both binary and source
+ * portability of applications using EGL running on different EGL
+ * implementations.
  */
 
 #if defined(_WIN32) || defined(__VC32__) && !defined(__CYGWIN__) && !defined(__SCITECH_SNAP__) /* Win32 and WinCE */