Author: Dani Palou
MDL-67644 tool_mobile: Add OAuth 2 providers in disabled features
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c3fc5fca65fdc85e6822db5b2c65effedb56e57f
http://github.com/moodle/moodle/commit/c3fc5fca65fdc85e6822db5b2c65effedb56e57f
+ 3.8 en [oauth2identityproviders,tool_mobile]