Depending on how a user starts rdcd, rdcd will either have
full monitor/control capabilities or have just monitoring
capabilties.
The only 2 user ids allowed are "rdc" and root.
Change-Id: Ie296a2f68c9723bef5945b1af1070ef99eeea93b
[ROCm/rdc commit: a6acf24ae7]
The RDC API is changed to pass the certificates to the gRPC.
Add the support to add all GPUs in the host to a group. Also before
add a GPU to a group, the RDC API will verify that GPU exists or not.
Add the support to fetch the temperature metrics.
Change-Id: I5857ef03fede233d16e8b2836be120f33172da93
[ROCm/rdc commit: 66e4e790c3]