Add dropped-octets to openconfig-qos-interfaces. Removed vlan part of request.

[cfyo]

Request addition of dropped-octets to path: /qos/interfaces/interface/output/queues/queue/state to replace use of vendor proprietary SNMPs.

References: Juniper: jnxCosQstatTotalRedDropBytes Cisco: cbQosCMDropByte64

Removing vlan part of request.

[OpenConfigBot]

Compatibility Report for commit 679ee9ee6b688ad4490d732abcae0525f850bb0c: ⛔ yanglint@SO 1.10.17

[dplore]

I will merge this request in two weeks on Sep 27, pending any objections from the community.

[dplore]

/gcbrun