submodule: bump third_party/openthread/repo from cc8f078 to 3702c88
#1031
| Job | Run time |
|---|---|
| 8m 9s | |
| 8m 0s | |
| 16m 9s |
cc8f078 to 3702c88
#1031
| Job | Run time |
|---|---|
| 8m 9s | |
| 8m 0s | |
| 16m 9s |