Enable Keymint HAL to SE HAL communication

This modification lets KeyMint perform
shared-secret negotiation and send root of trust via
SE HAL in case OMAPI is unavailable. KeyMint closes
the channel once shared-secret and root of trust
operations are performed to let OMAPI connect to
SE HAL.

Bug: 345692361
Test: Build ok
Change-Id: I2b377898ea979bb3744c38cb44d4814bffb08373
16 files changed