appsdk-bump-app-catalog 234 bumping sdk to almci-master-2881-b27ef85

sdk commit: RallySoftware/appsdk@855a6d23ad46b45792f2a63ee7ebc56f799e5138
author: Ben Ridge
message: S72972 code to prevent excessive re-layouts on node expansion

sdk commit: RallySoftware/appsdk@7b360e5c1fe77c433227de7159ab62ae5ceb8bf9
author: Eli Soman
message: Revert: DE22391: fix TreeGrid paging when BufferedRenderer is active.

sdk commit: RallySoftware/appsdk@ef80daf63ff345be297b05a02ba500af16e2a806
author: Ben Ridge
message: Revert "S72972 code to prevent excessive re-layouts on node expansion"

sdk commit: RallySoftware/appsdk@b27ef852424f1ecf6e17fd487c979a4f088fa36a
author: Eli Soman
message: Revert "Revert: DE22391: fix TreeGrid paging when BufferedRenderer is active."