Git commits in Moodle 3.8.6 by Andrew Madden

commit 30268a1fe1397587659e09c270d4b6fdb7a76c01
Author: Andrew Madden <andrewmadden@catalyst-au.net>
Date:   Mon, 19 Oct 2020 11:35:19 +0800
Tag:    v3.8.6

MDL-67695 mod_lti: Use correct return structure for get_tool_proxies.