appsdk-bump-app-catalog 620 bumping sdk to 2216-379e9fc

sdk commit: RallySoftware/appsdk@28547e2825981d82b14e6a0f184572f6a183f1b4
author: Ben Ridge and Andrew Ralston
message: DE20936: Added isChecked() to BoardPolicyDisplayable plugin

sdk commit: RallySoftware/appsdk@379e9fcbe2162ba3850f5fa2fc32f93c8bd08601
author: Eli Soman and David Wire
message: S63311: Decimal Field read-only EDP