appsdk-bump-app-catalog 172 bumping sdk to almci-master-2770-1388b2e

sdk commit: RallySoftware/appsdk@9e329f435ed1d63dcda03c68a01babd8548516e6
author: Steven Boles
message: S71855: Add popover to the % Done by Story Count field of PI EDP.

sdk commit: RallySoftware/appsdk@ac37be8c451acf186a78da55e9530eb94baa0665
author: Steven Boles
message: S71855: Make cursor a pointer for PI EDP % Done fields
S71884 add milestone-picker