submodule: bump third_party/openthread/repo from 4c378f7 to `151444…
#1390
| Job | Run time |
|---|---|
| 4m 55s | |
| 4m 55s |
4c378f7 to `151444…
#1390
| Job | Run time |
|---|---|
| 4m 55s | |
| 4m 55s |