Merge "docs: Update N release notes for DP4" into nyc-dev am: e20c1e96fc
am: 16918804a2

* commit '16918804a2b57f780932723c2f2eb7c59f095d23':
  docs: Update N release notes for DP4

Change-Id: I5a7873ac81c988395b4ab142f9d8aec0aba8324f