fix(android): Pass sampleRate option to the Android SDK (#3979)

Author: krystofwoldrich

CHANGELOG.md

@@ -4,6 +4,7 @@
 
 ### Fixes
 
+- Pass `sampleRate` option to the Android SDK ([#3979](https://github.com/getsentry/sentry-react-native/pull/3979))
 - Drop app start data older than one minute ([#3974](https://github.com/getsentry/sentry-react-native/pull/3974))
 
 ### Dependencies

android/src/main/java/io/sentry/react/RNSentryModuleImpl.java

@@ -203,6 +203,9 @@ public void initNativeSdk(final ReadableMap rnOptions, Promise promise) {
                 // SentryAndroid needs an empty string fallback for the dsn.
                 options.setDsn("");
             }
+            if (rnOptions.hasKey("sampleRate")) {
+                options.setSampleRate(rnOptions.getDouble("sampleRate"));
+            }
             if (rnOptions.hasKey("sendClientReports")) {
                 options.setSendClientReports(rnOptions.getBoolean("sendClientReports"));
             }