Update firebase-perf/src/main/java/com/google/firebase/perf/session/FirebasePerformanceSessionSubscriber.kt

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

Author: tejasd

firebase-perf/src/main/java/com/google/firebase/perf/session/FirebasePerformanceSessionSubscriber.kt

@@ -25,7 +25,7 @@ class FirebasePerformanceSessionSubscriber(val configResolver: ConfigResolver) :
   override val sessionSubscriberName: SessionSubscriber.Name = SessionSubscriber.Name.PERFORMANCE
 
   override val isDataCollectionEnabled: Boolean
-    get() = configResolver.isPerformanceCollectionEnabled == true
+    get() = configResolver.isPerformanceCollectionEnabled ?: false
 
   override fun onSessionChanged(sessionDetails: SessionSubscriber.SessionDetails) {
     val currentPerfSession = SessionManager.getInstance().perfSession()