Update PATCH calls to include request samples

Closes-Bug: #1268020

Change-Id: Id875f22008c627515230396c8e81ba4df9f0e5ad
author: diane fleming
Add 501 return code to os-cells calls

Closes-Bug: #1294354

Change-Id: I5fef07839dd0db5e7eca80f42e6ff5ca45c0b1b5
author: diane fleming
Merge "Add 501 return code to os-cells calls"