R1:8ce35e6b67e7

Fix an issue with `ConduitQueryConduitAPIMethod`

Fixes an issue with D9991. A user was hitting the following exception:

```
echo '{}' | arc --conduit-uri='http://phabricator.joshuaspence.com'
call-conduit conduit.query
Waiting for JSON parameters on stdin...
Exception
[HTTP/500] Internal Server Error
>>> UNRECOVERABLE FATAL ERROR <<<

Call to a member function getAPIMethodName() on a non-object

/usr/src/phabricator/src/applications/conduit/method/ConduitQueryConduitAPIMethod.php:34

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