Fix issue #34855227: Bg check Android O: Able to start...

...service after receiving broadcast in background

A new UidRecord should start out idle, not non-idle.

Test: added CtsAppTestCases:.ActivityManagerTest#testBackgroundCheckBroadcastService
Change-Id: Ib04e11b95958477eaba1e421fd901f9cd1ee705a
1 file changed