Switch to toybox nohup.

Change-Id: I11d837ba0d306d18e52823612bd5d136633cda64
diff --git a/Android.mk b/Android.mk
index f5b8c7d..6df5c7c 100644
--- a/Android.mk
+++ b/Android.mk
@@ -183,7 +183,7 @@
 LOCAL_MODULE := toybox
 
 # dupes: cat chmod chown cmp cp date df dmesg du grep id ifconfig kill ls mkdir
-#        mknod mount mv nc netcat nohup notify(inotifyd) readlink renice rm rmdir
+#        mknod mount mv nc netcat notify(inotifyd) readlink renice rm rmdir
 #        touch umount vmstat
 # obsolete?: cpio killall5 link unlink
 # non-Linux: count freeramdisk fstype nbd-client oneit vconfig
@@ -233,6 +233,7 @@
     mountpoint \
     nice \
     nl \
+    nohup \
     od \
     paste \
     patch \