Merge "docs: Update N release notes for DP4" into nyc-dev am: e20c1e96fc
am: 37286f7092

* commit '37286f7092e14184abf9f3435771d72ca1004f25':
  docs: Update N release notes for DP4

Change-Id: I41f94bc08cc6da0f8a6405c45577c519d473280d