Add missing EGL utlity files to makefile.

Add missing new eglu:: utility files to android makefile.

Change-Id: Idc1b5974753add4c5095719c79d7c07b6e405b60
diff --git a/Android.mk b/Android.mk
index 6e9028e..0b18d46 100644
--- a/Android.mk
+++ b/Android.mk
@@ -130,8 +130,10 @@
 	framework/egl/egluConfigFilter.cpp \
 	framework/egl/egluConfigInfo.cpp \
 	framework/egl/egluDefs.cpp \
+	framework/egl/egluExtensions.cpp \
 	framework/egl/egluGLContextFactory.cpp \
 	framework/egl/egluGLFunctionLoader.cpp \
+	framework/egl/egluGLUtil.cpp \
 	framework/egl/egluHeaderWrapper.cpp \
 	framework/egl/egluNativeDisplay.cpp \
 	framework/egl/egluNativePixmap.cpp \