strand batch_state_updated on sis_batch_restore
strand batch_state_updated on sis_batch_restore

fixes CORE-2265

test plan
 - run restore states
 - it should run batch updater in a strand

Change-Id: I5f21a1ee983b7c2809bd66298422895b3708ae9a
Reviewed-on: https://gerrit.instructure.com/175617
Tested-by: Jenkins
Reviewed-by: James Williams <3a5f4ed991dbfa5c9ef76ad729d240ca12f62180@instructure.com>
QA-Review: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>
Product-Review: Rob Orton <7e09c9d3e96378bf549fc283fd6e1e5b7014cc33@instructure.com>

djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms,djbender/canvas-lms,sfu/canvas-lms