Update Gaia API documents for #724d36716bcbbc5cee1af18b94cc328c289d0ccc
    Merge pull request #14611 from arroway/bug-797661

Bug 797661 - Hotspot should have random password, r=kaze
(cherry picked from commit 2be37d0b91deabc6f3efafbe01b1dec3e8643a67)