tabletmanager: Fully stop shard sync loop on shutdown.#5667

Merged

enisoc merged 2 commits intovitessio:masterfrom

planetscale:stop-shard-sync

Jan 9, 2020

Commits on Jan 7, 2020

tabletmanager: Fully stop shard sync loop on shutdown.
enisoc
committed

Commits on Jan 8, 2020

consultopo: Respect cancellation of Watch().
enisoc
committed