Add IsolatedStorageFile factory methods with Evidence dependencies #18208
Description
Need to implement the various GetStore() methods have direct or indirect dependencies on System.Security.Policy.Evidence.
This includes:
GetStore(IsolatedStorageScope, Type, Type)
GetStore(IsolatedStorageScope, Object, Object)
GetStore(IsolatedStorageScope, Evidence, Type, Evidence, Type)
GetStore(IsolatedStorageScope, Type)
GetStore(IsolatedStorageScope, Object)
These may not be possible without System.Security.Policy.Evidence.
See #18207 for the other factory methods.