Revert "Move trusty reference implementations to /vendor"

The CL is not complete and will cause build break when BOARD_VNDK_VERSION is set.

This reverts commit 7d81b4e08172037674f378ffb6f45ad694c01077.

Change-Id: If9632fb7ee8147c39f1ad0860ddc3bed62ba89db
5 files changed