submodule: bump third_party/openthread/repo from 5197402 to `d81c6f…
#1035
| Job | Run time |
|---|---|
| 2m 36s | |
| 2m 36s |
5197402 to `d81c6f…
#1035
| Job | Run time |
|---|---|
| 2m 36s | |
| 2m 36s |