Tighten up Doze alarm timing.

Set explicit alarm window sizes so we can control the maximum alarm
delay for Doze alarms.

Bug: 187947479
Bug: 188468510
Test: atest DeviceIdleTest
Test: atest FrameworksMockingServicesTests:DeviceIdleControllerTest
Change-Id: I40c0e1a0fce18886ea817245d9a064a509eb6e08
2 files changed