am 07661e3b: Merge "docs: M Preview 2 - release notes" into mnc-preview-docs
am 07661e3b: Merge "docs: M Preview 2 - release notes" into mnc-preview-docs

* commit '07661e3b73cee9720d79d0d09f7a60104ce4cabc':
  docs: M Preview 2 - release notes

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base