Merge branch 'fix-avs-escalator-maint' into 'master'

Add is_managed=False to maintenance escalator handler.

See merge request !3483

(cherry picked from commit 715ac2a9)

5938492b Add is_managed=False to maintenance escalator handler.
9 jobs for !3485 with cherry-pick-715ac2a9 in 18 minutes and 59 seconds (queued for 2 seconds)
merge request