Add defaultUpdateChannel info to UITour docs.
Add defaultUpdateChannel info to UITour docs.

craigcook/bedrock,craigcook/bedrock,jacshfr/mozilla-bedrock,pascalchevrel/bedrock,ckprice/bedrock,TheJJ100100/bedrock,sylvestre/bedrock,sgarrity/bedrock,mozilla/bedrock,malena/bedrock,yglazko/bedrock,chirilo/bedrock,mermi/bedrock,gauthierm/bedrock,analytics-pros/mozilla-bedrock,mozilla/bedrock,flodolo/bedrock,TheoChevalier/bedrock,chirilo/bedrock,MichaelKohler/bedrock,dudepare/bedrock,marcoscaceres/bedrock,rishiloyola/bedrock,alexgibson/bedrock,dudepare/bedrock,jpetto/bedrock,marcoscaceres/bedrock,mkmelin/bedrock,schalkneethling/bedrock,pascalchevrel/bedrock,kyoshino/bedrock,TheoChevalier/bedrock,analytics-pros/mozilla-bedrock,glogiotatidis/bedrock,malena/bedrock,Jobava/bedrock,pmclanahan/bedrock,petabyte/bedrock,CSCI-462-01-2017/bedrock,jpetto/bedrock,sgarrity/bedrock,jacshfr/mozilla-bedrock,pmclanahan/bedrock,CSCI-462-01-2017/bedrock,rishiloyola/bedrock,Sancus/bedrock,flodolo/bedrock,ericawright/bedrock,l-hedgehog/bedrock,ckprice/bedrock,andreadelrio/bedrock,mozilla/bedrock,l-hedgehog/bedrock,mahinthjoe/bedrock,Sancus/bedrock,petabyte/bedrock,mkmelin/bedrock,kyoshino/bedrock,mkmelin/bedrock,davehunt/bedrock,schalkneethling/bedrock,marcoscaceres/bedrock,flodolo/bedrock,jgmize/bedrock,TheJJ100100/bedrock,glogiotatidis/bedrock,andreadelrio/bedrock,yglazko/bedrock,sylvestre/bedrock,kyoshino/bedrock,andreadelrio/bedrock,MichaelKohler/bedrock,bensternthal/bedrock,gauthierm/bedrock,flodolo/bedrock,rishiloyola/bedrock,amjadm61/bedrock,pmclanahan/bedrock,SujaySKumar/bedrock,mermi/bedrock,jacshfr/mozilla-bedrock,schalkneethling/bedrock,sylvestre/bedrock,jgmize/bedrock,jgmize/bedrock,Jobava/bedrock,ericawright/bedrock,dudepare/bedrock,gauthierm/bedrock,alexgibson/bedrock,yglazko/bedrock,pmclanahan/bedrock,rishiloyola/bedrock,MichaelKohler/bedrock,glogiotatidis/bedrock,TheJJ100100/bedrock,petabyte/bedrock,dudepare/bedrock,analytics-pros/mozilla-bedrock,gerv/bedrock,TheoChevalier/bedrock,Sancus/bedrock,pascalchevrel/bedrock,jpetto/bedrock,MichaelKohler/bedrock,SujaySKumar/bedrock,gerv/bedrock,hoosteeno/bedrock,sgarrity/bedrock,ericawright/bedrock,bensternthal/bedrock,jacshfr/mozilla-bedrock,craigcook/bedrock,hoosteeno/bedrock,gauthierm/bedrock,hoosteeno/bedrock,yglazko/bedrock,kyoshino/bedrock,ckprice/bedrock,marcoscaceres/bedrock,bensternthal/bedrock,SujaySKumar/bedrock,sgarrity/bedrock,amjadm61/bedrock,malena/bedrock,mermi/bedrock,TheoChevalier/bedrock,Jobava/bedrock,alexgibson/bedrock,ckprice/bedrock,craigcook/bedrock,amjadm61/bedrock,mozilla/bedrock,hoosteeno/bedrock,bensternthal/bedrock,jpetto/bedrock,ericawright/bedrock,Sancus/bedrock,chirilo/bedrock,andreadelrio/bedrock,gerv/bedrock,mahinthjoe/bedrock,amjadm61/bedrock,CSCI-462-01-2017/bedrock,jgmize/bedrock,glogiotatidis/bedrock,alexgibson/bedrock,mermi/bedrock,schalkneethling/bedrock,Jobava/bedrock,pascalchevrel/bedrock,gerv/bedrock,sylvestre/bedrock,jacshfr/mozilla-bedrock,chirilo/bedrock,mkmelin/bedrock,petabyte/bedrock,davehunt/bedrock,TheJJ100100/bedrock,mahinthjoe/bedrock,l-hedgehog/bedrock,amjadm61/bedrock,CSCI-462-01-2017/bedrock,malena/bedrock,davehunt/bedrock,davehunt/bedrock,mahinthjoe/bedrock,analytics-pros/mozilla-bedrock,SujaySKumar/bedrock,l-hedgehog/bedrock