This patch disables martian packet logging and updates the
documentation to reflect the new default. A release note
is also included to make deployers aware of the change.
Manual-backport-of: I4b19aa1200298a92c85824e319bb919260e5a6d0
Closes-bug: 1619039
Change-Id: I10476844810421587455e263afb173f8b868c261