Import tasks causes the tasks always to be pulled in and just skipped at
run time. This is terribly slow with more roles even when not running
against those hosts. A similar effort was applied to the update process
I2eab008ca27546acbd2b1275f07bcca0b84b858c which should also be used
here.
Change-Id: Ibd9bb9f8a4c6a7ce3c6ebd11ce5cf444dde57c33
Related-Bug: #1915761
(cherry picked from commit 73043121e3)