Don't rush job checking at boot.

Don't force an evaluation of all jobs right after the boot complete
signal. Trying to run jobs at boot may cause contention, so let the
execution of jobs after boot completed happen naturally to try and lower
the potential for jank or other negative UX.

Bug: 321598070
Test: boot device
Change-Id: I0fbe513fffc13960361952e3f1e20335f5c163d2