Add a Provider that only does CertPathBuilder and CertPathValidator

Address revert of e4dd44d8a203a5fbf900d81c4b0556ce6d851db2 by only using
the actual types needed for certificate path validation and building.

Bug: 26630788
Change-Id: Ie9215ee27077957ef7bd772d3ab9b00b93eb79d8
4 files changed