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=29aeab4eeecd45c8b566998324f0f7e6791eff46
http://github.com/moodle/moodle/commit/29aeab4eeecd45c8b566998324f0f7e6791eff46
+ 3.9 en [oauth2identityproviders,tool_mobile]