Fix sim build.

Change-Id: I6d2af129c2584ef2ea99d038c9cf394de800108b
diff --git a/Android.mk b/Android.mk
index fa2f6f8..a307719 100644
--- a/Android.mk
+++ b/Android.mk
@@ -25,6 +25,7 @@
 	      liblog \
 	      libnetutils \
 	      libpixelflinger \
+	      libusbhost \
 	      libzipfile \
 	   ))
 endif