Set system packages as stopped

Apps preloaded on the system partition will be scanned with
an initial state of "stopped=true".

Packages can be added to an allowlist to skip setting them initially as
stopped.

Bug: 249514169
Test: atest PackageManagerServiceServerTests:PackageManagerSettingsTest CtsContentTestCases:SystemPackageDefaultStoppedStateTest

Change-Id: I4d89dab65c01a21c4a74e61a1bfe35141b2fe954
6 files changed