Abort tasks for sectors which were dropped/changed params after miner restart

[jennijuju]

Slack https://filecoinproject.slack.com/archives/C0179RNEMU4/p1604672199467400

ID            Sector  Worker                  Hostname            Task  State     Time
623304c066b7  876     0000000000000000000000                      PC1   ret-wait  n/a
d85d4a0e39b9  871     0000000000000000000000                      PC2   ret-wait  n/a
3d521d808da6  878     0000000000000000000000                      PC1   ret-wait  n/a
833c58d97b8b  938     0000000000000000000000                      C2    ret-wait  n/a
2798853537d5  935     0000000000000000000000                      C2    ret-wait  n/a
da080b2c7b8d  874     0000000000000000000000                      PC1   ret-wait  n/a
0bed601cc346  875     0000000000000000000000                      PC1   ret-wait  n/a
ad4929838f7d  936     0000000000000000000000                      C2    ret-wait  n/a
605288dac1cf  877     0000000000000000000000                      PC1   ret-wait  n/a
0966fcbf2621  944     0000000000000000000000                      C2    ret-wait  n/a

Sectors are stuck in C2
techhedge_miner_info_all.txt

[arajasek]

IIUC, this is either already resolved by #4779, or will be when the "abort" described for Part 2 lands (for stubborn stuck tasks).

[arajasek]

Abort landed in #4804