Tools: unify arm function failure message
Tools: get autodisarm time from parameter for autodisarm test
Tools: disable autodisarm for arm/disarm tests.
Tools: fix interlock channel for heli
Tools: simplify arming_test sub exclusion
Tools: fix empty string in progress
Tools: add back arming test to plane
Tools: allow single test run on Sub
Tools: remove old comments on autotest common
Tools: add vehicle type getter function
Tools: make get_rudder_channel abstract method
Tools: common make get_disarm_delay abstract method
Tools: make set_autodisarm_delay abstract method
Tools: rename set_throttle_zero to zero_throttle and use it
Tools: common.py remove unnecessary exception
Tools: subclass vehicle type