Bug 1731564: Use motivated SpinEventLoopUntil inside security/*. r=bobowen

Depends on D127231

Differential Revision: https://phabricator.services.mozilla.com/D127232

security/sandbox/win/src/remotesandboxbroker/remoteSandboxBroker.cpp

@@ -90,7 +90,8 @@ bool RemoteSandboxBroker::LaunchApp(
       ->Then(target, __func__, std::move(resolve), std::move(reject));
 
   // Spin the event loop while the sandbox launcher process launches.
-  SpinEventLoopUntil([&]() { return res != Pending; });
+  SpinEventLoopUntil("RemoteSandboxBroker::LaunchApp"_ns,
+                     [&]() { return res != Pending; });
 
   if (res == Failed) {
     return false;