[Provider Model] The SIMs page should list all p-SIMs

- We do not support multiple pSIMs until now, so we need to get all p-SIMs from SubscriptionManager
- Apply same checking for downloaded sim

Bug: 199032142
Test: vendor test
Test: atest NetworkProviderSimsCategoryControllerTest and atest NetworkProviderSimListControllerTest
Change-Id: I77d7c52e73ac4e5d09fa3f3926490d7f8f8b0913