Internal drop counter monitoring

[zhangyanzhao]

[zhangyanzhao]

HLD is not ready yet, move to backlog

[arista-hpandya]

The PRs required to implement the feature

Repo	Description	PR Link	Status
SONiC	HLD Documentation	#1912	Merged
sonic-buildimage	Adding YANG model for new table	sonic-net/sonic-buildimage#22589	Merged
sonic-swss-common	Adding new table name in schema.h	sonic-net/sonic-swss-common#971	Merged
sonic-utilities	Adding CLI support	sonic-net/sonic-utilities#3756	Merged
sonic-swss	Adding feature logic in orchagent	sonic-net/sonic-swss#3509	Merged

[arista-hpandya]

This feature is currently being migrated to use Lua script instead of running within the debugcounter orchagent. The PRs will be updated to reflect this.