net-test: require rootfs/net_test.sh to be error free

This is a fix for:
  /sbin/net_test.sh: line 33: ./net_test.sh: No such file or directory
not resulting in a test error (android common 3.18/4.4 on stretch rootfs)

Bug: 126465735
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: Ib6c9698e98cec39eadcb371b5241241541e276d9
1 file changed
tree: fa642713b99a4ed89117eb83ac46516c7c0e17ce
  1. devicetree/
  2. net/
  3. Android.bp