Update PackageManager to use new API.

Use existing unit test since this method was added to preserve PackageManager behavior.

Test: atest com.android.server.pm.PackageParserTest#testParseWithFeatureFlagAttributes_newStorage
Bug: 377311211
Change-Id: I72852c14812f527b6e687ba909ee6a8599727a04
Flag: android.provider.flags.public_internal_read_api