Add AlarmManager and JobScheduler constants

Add Settings constants to control the enabling of the AlarmManager and
JobScheduler economic policies of TARE. If disabled, it will clean up
and drop as much as possible. The default value is set to 0/false.

Bug: 195767742

Test: look at dumpsys output after changing setting constant value
Change-Id: Ieec58c271520c2ba02798ffeb67935801dcc38eb