Merge changes from topic "b183485987"

* changes:
  ANDROID: re-add xt_IDLETIMER changes
  ANDROID: fix build for missing ETH_ALEN definition
  ANDROID: update to 1.8.7 version
  Merge tag 'v1.8.7' of git://git.netfilter.org/iptables
  Merge tag 'v1.8.6' of git://git.netfilter.org/iptables
  Merge tag 'v1.8.5' of git://git.netfilter.org/iptables
  ANDROID: revert to upstream xt_IDLETIMER