am 7cfa3db2: am 62a3a5fb: am e681e9ff: am e8bbe9a0: 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 '7cfa3db2cff70998d3df96961aeaaf89414a2030':
  docs: Removed references to lockscreen widgets, added note to Android 5.0 changes page