Fix JobThrottling tests, take 2.

1. Reset execution quotas between tests so earlier run tests don't
affect later ones.
2. Ensure uidActive overrides even the NEVER bucket. Also log a wtf if
we ever get into this situation.

Bug: 138253466
Bug: 149931359
Test: atest android.jobscheduler.cts.JobThrottlingTest
Change-Id: I12e39213cb9e9704cddf9286d6edcb63dee12b5d
1 file changed