Merge "DocsUI: Update the drag shadow to meet UI spec." into nyc-dev
am: 2084796

* commit '2084796e231104dac4c97903096b70b32534eee1':
  DocsUI: Update the drag shadow to meet UI spec.

Change-Id: I0c6e3d3430f68a4b0267efdd65c9e9001a3c985d