Add tests for CreateTask auctioneer client interactions

* Add type for CreateActualLRP index >= instances error

[#83638694]

Signed-off-by: Eric Malm <emalm@pivotal.io>
TaskBBS ConvergeTask request auction for stale pending tasks

* logs at the appropriate level for attempts and failures

[#83638694]

Signed-off-by: Atul Kshirsagar <atul.kshirsagar@gmail.com>
Improve logging in TaskBBS.ConvergeTask

[#83638694]

Signed-off-by: Atul Kshirsagar <atul.kshirsagar@gmail.com>
Rename ConvergeTask to ConvergeTasks

[#83638694]

Signed-off-by: Atul Kshirsagar <atul.kshirsagar@gmail.com>
Remove TPSBBS and reduce NsyncBBS only to lock methods

[#83638694]

Signed-off-by: Atul Kshirsagar <atul.kshirsagar@gmail.com>