Update 20487C_MOD09_DEMO.md
Update 20487C_MOD09_DEMO.md

updated instructions during to azure changes
MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices,MicrosoftLearning/20487-DevelopingWindowsAzureAndWebServices