Added DefaultAccountAndState#DEFAULT_ACCOUNT_STATE_SIM to support SIM

account being set as default account.

Bug: 368127857
Test: cts test
Flag:android.provider.new_default_account_api_enabled

        modified:   core/api/current.txt
        modified:   core/java/android/provider/ContactsContract.java

Change-Id: I98d9a97cc37e418785607bac82c7f361a5c84f46