Remove standby delay tests.

We're moving forward with the quota system, and so no longer need to
keep the delay code or tests.

Bug: 142569967
Test: atest com.android.server.AlarmManagerServiceTest
Test: atest com.android.server.AppStateTrackerTest
Test: atest AppStandbyControllerTests
Test: atest CtsAlarmManagerTestCases
Change-Id: If96a1e8cf8692533f2fd6b9f3dcea83538e0794a
1 file changed