appsdk-bump-app-catalog 275 bumping sdk to almci-master-2944-ad77bdc

sdk commit: RallySoftware/appsdk@2257aff64e583c1106c09c9956a87abe80f933e2
author: Kyle Morse and Alan Brockett
message: Add listview popover performance instrumentation

sdk commit: RallySoftware/appsdk@ad77bdc589f12dfc8561f9fd45de56a11e26aa8c
author: Kyle Morse and Alan Brockett
message: Remove invalid reference to Ext4 in DiscussionRichTextStreamView