Allow history service to be disabled via Aura["disableHistoryService"] (#904)
Allow history service to be disabled via Aura["disableHistoryService"] (#904)

@bug W-3963090@
@runcoreitests@
@rev kgray@
@rev dval@
forcedotcom/aura,forcedotcom/aura,madmax983/aura,madmax983/aura,madmax983/aura,forcedotcom/aura,madmax983/aura,madmax983/aura,forcedotcom/aura,forcedotcom/aura,madmax983/aura