am 7b54237: AI 147755: Add sizes and checksums for 1.5 SDK downloadables

Merge commit '7b54237c8b662b7c1069e00d8dd6aa7e4d619e87' into donut

* commit '7b54237c8b662b7c1069e00d8dd6aa7e4d619e87':
  AI 147755: Add sizes and checksums for 1.5 SDK downloadables.