Fix duplicate crash + ANR span bug (#1214)

* manually disabling the otel crash reporter config

* also disable duplicate ANR install

* fix formatting

* update unit tests for lenient validation of stub mocking since test env doesnt always fully exercise ANR detector init path

* spotless fix

Author: tonzhan2

splunk-otel-android/src/main/java/com/splunk/rum/RumInitializer.java

@@ -105,6 +105,11 @@ SplunkRum initialize(Looper mainLooper) {
         }
 
         config.disableScreenAttributes();
+        // We are installing the crash reporter ourselves in installCrashReporter.
+        // Disabling this one to prevent duplicate spans
+        config.disableCrashReporting();
+        config.disableAnrDetection(); // Same with ANR
+
         OpenTelemetryRumBuilder otelRumBuilder = OpenTelemetryRum.builder(application, config);
 
         otelRumBuilder.mergeResource(createSplunkResource());

splunk-otel-android/src/test/java/com/splunk/rum/RumInitializerTest.java

@@ -59,9 +59,12 @@
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
+import org.mockito.junit.jupiter.MockitoSettings;
+import org.mockito.quality.Strictness;
 import zipkin2.reporter.okhttp3.OkHttpSender;
 
 @ExtendWith(MockitoExtension.class)
+@MockitoSettings(strictness = Strictness.LENIENT)
 class RumInitializerTest {
 
     static final String APP_NAME = "Sick test app";