Add compile-time option to systrace GL-ES calls

Change-Id: Ibec103bbf159626ad9745d0e071192ad424bc0e9
diff --git a/opengl/libs/Android.mk b/opengl/libs/Android.mk
index 42aaa24..eea79f8 100644
--- a/opengl/libs/Android.mk
+++ b/opengl/libs/Android.mk
@@ -122,7 +122,7 @@
 	GLES2/gl2.cpp.arm 	\
 #
 
-LOCAL_SHARED_LIBRARIES += libcutils libEGL
+LOCAL_SHARED_LIBRARIES += libcutils libutils libEGL
 LOCAL_LDLIBS := -lpthread -ldl
 LOCAL_MODULE:= libGLESv2