prefetcher_test: When testing Synced TLFs, block on the prefetcher channel being done instead of the prefetcher shutdown.
prefetcher_test: When testing Synced TLFs, block on the prefetcher channel being done instead of the prefetcher shutdown.

keybase/client,keybase/client,keybase/kbfs,keybase/kbfs,keybase/client,keybase/client,keybase/kbfs,keybase/kbfs,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client