Adding postsubmit tests for JobScheduler.

Enabling postsubmit tests for the JobScheduler files
in the JobScheduler mainline module.

Bug: 146453470
Test: cd to directory and run "atest"
Change-Id: Ie2536591f8b0e53790f16f15b27628a1f1690c4f
(cherry picked from commit 888fe19c4b4f91419db2955059cec925513d25e0)
1 file changed