Implement static white-list access control for NFC-EE.

NFC service now has a build time array of package signatures and package names
that are allowed access to the NFCEE, removing the shared certificate
requirement.

See sample_nfcee_access.xml for the XML format.

Bug: 4515759
Change-Id: Ibf03e259137f2f4247ec5d31fb88b1090b013d32
5 files changed