toolbox: Add nohup command

Change-Id: I2f7d9934b54d98886d7a6205ea122d9ce91066ec
Signed-off-by: Dmitry Shmidt <dimitrysh@google.com>
diff --git a/toolbox/Android.mk b/toolbox/Android.mk
index 77df4d4..6bac5f5 100644
--- a/toolbox/Android.mk
+++ b/toolbox/Android.mk
@@ -39,6 +39,7 @@
 	nandread \
 	netstat \
 	newfs_msdos \
+	nohup \
 	notify \
 	printenv \
 	ps \