am fd117ff2: Doc change: zh-cn translation of Android L overviews. cherrypick...
am fd117ff2: Doc change: zh-cn translation of Android L overviews. cherrypick from I56d1ce58e10b83d10d0077cc9dfbeb04f090b861
* commit 'fd117ff2':
Doc change: zh-cn translation of Android L overviews. cherrypick from I56d1ce58e10b83d10d0077cc9dfbeb04f090b861