Allows for easy determination of whether there's a
hardware module in place. Permits tighter coupling of
software implementation with upper-level stack.
Bug:21090356
Change-Id: I275b57cd976c233c43c476c5869c5a4b29fbc175
Until we have SELinux support for gating access
to individual TEE services, we will proxy TEE requests
to GateKeeper via this daemon.
Change-Id: Ifa316b75f75bff79bdae613a112c8c3c2e7189a8