adding the usb apis to the resources browser

Change-Id: I79e9f93ebfa3aaf03e4f4deeb70d6c5a7a4ad07f
diff --git a/Android.mk b/Android.mk
index b266061..ae03d6c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -438,6 +438,8 @@
 		            resources/samples/TicTacToeLib "TicTacToeLib" \
 		-samplecode $(sample_dir)/TicTacToeMain \
 		            resources/samples/TicTacToeMain "TicTacToeMain" \
+		-samplecode $(sample_dir)/USB \
+		            resources/samples/USB "USB" \
 		-samplecode $(sample_dir)/WeatherListWidget \
 		            resources/samples/WeatherListWidget "Weather List Widget" \
 		-samplecode $(sample_dir)/Wiktionary \