Accept strings for more parameters in Suspend Dialog

Allowing passing raw texts offers more flexibility to callers in some
cases. However, in this case, the callers must handle locale changes on
their own.

Test: atest FrameworksServicesTests:SuspendDialogInfoTest
atest FrameworksServicesTests:PackageManagerSettingsTest
atest CtsSuspendAppsTestCases:DialogTests

Fixes: 170653551
Bug: 170653208
Change-Id: Iaa51e1d3f260ad553db8b33fddc935c478a40c9c