Handle @Annotated parameters when generating JNI headers from Java.

base/android/jni_generator/sample_for_tests.cc

Index: base/android/jni_generator/sample_for_tests.cc
diff --git a/base/android/jni_generator/sample_for_tests.cc b/base/android/jni_generator/sample_for_tests.cc
index e0818b6773ba2f416b1bb0eee90342c2429ceb79..157b7cd86af881ede7742671f7d023bfaf4c4a70 100644
--- a/base/android/jni_generator/sample_for_tests.cc
+++ b/base/android/jni_generator/sample_for_tests.cc
@@ -136,5 +136,7 @@ int main() {
                                                               my_java_object);
   base::android::Java_SampleForTests_methodThatThrowsException(env,
                                                                my_java_object);
+  base::android::Java_SampleForTests_javaMethodWithAnnotatedParam(
+      env, my_java_object, 42);
   return 0;
 }