Update Gaia API documents for #9fb9eb495214653116f133b699456ba10c9c07b1
    Merge pull request #14649 from fcampo/sms-overlay-style-broken-947285

Bug 947285 - [Messaging] Notice style is broken (r=julienw)
(cherry picked from commit 49cb38d06740e6b49ff30e89e11f428386250329)