Let apps timeout into the RESTRICTED bucket.

Let apps that haven't been used in 4 days time out into the RESTRICTED
bucket (after being in the RARE bucket). Apps that timed out into the
RESTRICTED bucket can be pulled out of the bucket via prediction.

Bug: 145551233
Test: atest FrameworksServicesTests:AppStandbyControllerTests
Change-Id: I646b5c4e3d3b45bd0ba8404b5a0c3d26186737c0