Made data cache factory readonly in CloudCacheService
Made data cache factory readonly in CloudCacheService

KuduApps/NuGetGallery,skbkontur/NuGetGallery,KuduApps/NuGetGallery,JetBrains/ReSharperGallery,mtian/SiteExtensionGallery,ScottShingler/NuGetGallery,grenade/NuGetGallery_download-count-patch,projectkudu/SiteExtensionGallery,grenade/NuGetGallery_download-count-patch,ScottShingler/NuGetGallery,ScottShingler/NuGetGallery,KuduApps/NuGetGallery,KuduApps/NuGetGallery,mtian/SiteExtensionGallery,mtian/SiteExtensionGallery,KuduApps/NuGetGallery,grenade/NuGetGallery_download-count-patch,projectkudu/SiteExtensionGallery,skbkontur/NuGetGallery,JetBrains/ReSharperGallery,skbkontur/NuGetGallery,projectkudu/SiteExtensionGallery,JetBrains/ReSharperGallery