SF: Fix stray pointers in Scheduler

Bug: None
Test: Build
Change-Id: I578fc0d94691edcd905f78bc75e08072d9c49744
diff --git a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
index 3dd5143..4d9aec6 100644
--- a/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
+++ b/services/surfaceflinger/tests/unittests/SchedulerTest.cpp
@@ -41,7 +41,7 @@
               : Scheduler([](bool) {}), mEventThread(std::move(eventThread)) {}
 
         std::unique_ptr<EventThread> makeEventThread(
-                const std::string& /* connectionName */, DispSync* /* dispSync */,
+                const char* /* connectionName */, DispSync* /* dispSync */,
                 nsecs_t /* phaseOffsetNs */,
                 impl::EventThread::InterceptVSyncsCallback /* interceptCallback */) override {
             return std::move(mEventThread);