MobileApps: Change the request flow in light of pre-generation
MobileApps: Change the request flow in light of pre-generation

Now that we will enable pre-generation, we don't need strong assurances
with regards to the exact revision and TID of the latest revision in
order to ensure the right content is present in storage, since with
pre-generation, the content will be automatically updated.

gwicke/restbase,gwicke/restbase,d00rman/restbase,inverno/restbase,cscott/restbase,Pchelolo/restbase,wikimedia/restbase,cscott/restbase,Pchelolo/restbase,milimetric/restbase,eevans/restbase,wikimedia/restbase,eevans/restbase,d00rman/restbase,wikimedia/mediawiki-services-restbase,wikimedia/mediawiki-services-restbase,wikimedia/hyperswitch,milimetric/restbase,inverno/restbase