a2fd9d1786
Fixes issue #2507124: cts.PackageManagerRequiringPermissionsTest:testClearPackagePreferredActivities is failing with NPE Also introduce some compatibility code to simple ignore calls to set preferred packages from old applications, and changes some package manager logs to Slog. Change-Id: Id3f98ac8e106da526ba4c12879a9ddaabf28f462