Update Gaia API documents for #f00177c7e74ce52e5c543ccd8f34b8fad7b155c7
    Merge pull request #14489 from jaoo/928297

Bug 928297 - [DSDS][Gaia] Settings app should support cellular & data settings of multiple sim cards. r=arthurcc
(cherry picked from commit bf7b651dd3c734e68b73f394649733d07c421d14)