Fix ProfilerControlTest compilation error: add missing ProfilerControl instantiation and triggerProfile() call

Co-authored-by: johnoliver <1615532+johnoliver@users.noreply.github.com>

Author: Copilot

agent/agent-tooling/src/test/java/com/microsoft/applicationinsights/agent/internal/profiler/ProfilerControlTest.java

@@ -34,6 +34,9 @@ void triggerProfileWithDefaultDuration() {
     AtomicReference<AlertBreach> received = new AtomicReference<>();
     Consumer<AlertBreach> handler = received::set;
 
+    ProfilerControl control = new ProfilerControl(handler);
+    String result = control.triggerProfile();
+
     assertThat(result).startsWith("Profile trigger requested");
 
     AlertBreach breach = received.get();