adjust for iptables v1.8.9 use of '--' for IPv6 'fragments' to match IPv4

This adjusts for:
  https://git.netfilter.org/iptables/commit/?id=6e41c2d8747b25ed08dff41bbb9f77fb35bc1851
  "iptables: xshared: Ouptut '--' in the opt field in ipv6's fake mode"

Based on output of:
  git grep 'all    '

We get lucky - the comment about using the '--' vs '  ' as an IPv4 vs IPv6
signal was apparently no longer true - so we delete it.

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: I743a4fa85a00add063afc60ca0ed270482d34af1
3 files changed
tree: 557e4fac4c165abe20ed327a4585fffd2a75fcd8
  1. client/
  2. include/
  3. netutils_wrappers/
  4. server/
  5. tests/
  6. .editorconfig
  7. Android.bp
  8. NOTICE
  9. OWNERS
  10. PREUPLOAD.cfg
  11. TEST_MAPPING