test(android): Avoid ANR profiling integration test race

Drive the ANR profiling state-machine test synchronously instead of starting the background polling thread.

The previous version could read the queue-backed profile store while the polling thread was still appending stack traces, which made the release unit test flaky with NoSuchElementException in QueueFile iteration.

Co-Authored-By: Codex <noreply@openai.com>

Author: romtsn

sentry-android-core/src/test/java/io/sentry/android/core/anr/AnrProfilingIntegrationTest.kt

@@ -174,7 +174,7 @@ class AnrProfilingIntegrationTest {
 
     val integration = AnrProfilingIntegration()
     integration.register(mockScopes, androidOptions)
-    integration.onForeground()
+    // Drive the state machine synchronously to avoid racing the background polling thread.
 
     SystemClock.setCurrentTimeMillis(1_000)
     integration.checkMainThread(mainThread)