SAI health monitor and dump generation

[Yuval-Mellanox]

SAI monitoring feature, describes behavior when SAI get stuck, NOS notifications and also changes concerning dump, health notification, shutdown and syslog depending on severity of occurred events.

[stephenxs]

#1533

[zhangyanzhao]

Community reviewed on 12/12/2023

[zhangyanzhao]

HLD and code PRs are merged and close this tracking issue.