support loading EGL libraries from /vendor/lib/egl as well as /system/lib/egl

Change-Id: Idd9ca85ce3ba6c92234375071b53e5365e689062
diff --git a/opengl/libs/EGL/Loader.h b/opengl/libs/EGL/Loader.h
index 8659b0b..580d6e4 100644
--- a/opengl/libs/EGL/Loader.h
+++ b/opengl/libs/EGL/Loader.h
@@ -74,7 +74,7 @@
     
 private:
     Loader();
-    void *load_driver(const char* driver, egl_connection_t* cnx, uint32_t mask);
+    void *load_driver(const char* kind, const char *tag, egl_connection_t* cnx, uint32_t mask);
 
     static __attribute__((noinline))
     void init_api(void* dso,