Kingsoft's modules are injected before `IOInterposer` and starts a thread that
calls `NtReadFile`. It conflicts with the main thread where `IOInterposer` hooks
`NtReadFile`.
This patch is a mitigation until we make `IOInterposer` compatible with such
third-party injections (bug 1646804).
Differential Revision: https://phabricator.services.mozilla.com/D129876