am 7df86ef4: am 9e36f588: Merge "update storage doc for secondary external storage in KK and add some new sample code and remove documentation for APIs below level 8 and add information about permission changes in KK bug: 11907502" into klp-docs

* commit '7df86ef441835aedf24477f61e12cf78c5a86244':
  update storage doc for secondary external storage in KK and add some new sample code and remove documentation for APIs below level 8 and add information about permission changes in KK bug: 11907502