Keystore 2.0: Provide confirmation token to operation.

This patch connects the APC manager to the enforment module and
ultimately to the operation, so that the confirmation token can be
delivered to operations that require it.

Also fix a bug in apc_compat.rs.

Test: CtsVerifier
Change-Id: I69b6b08b10f51d255c2d70da3a6354b04f0ce801
5 files changed