am 9de5dcac: am 70d39c28: am 2b856100: Merge "docs: Removed references to lockscreen widgets, added note to Android 5.0 changes page" into mnc-preview-docs

* commit '9de5dcac9589d064414a2ff6f3b76dc40c1b8765':
  docs: Removed references to lockscreen widgets, added note to Android 5.0 changes page