toolbox: add lsusb command

Change-Id: I166d2859633ba4e15f170938262dcf6505b78dd3
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index ef3980a..66ebbef 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -62,6 +62,9 @@
 
 LOCAL_SHARED_LIBRARIES := libcutils libc
 
+# Needed for lsusb.  Should optimize out in linker if lsusb is not included
+LOCAL_STATIC_LIBRARIES := libusbhost
+
 LOCAL_MODULE:= toolbox
 
 # Including this will define $(intermediates).