Android: moves jni_generator samples to use long for JNI.

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 24190c62a6212ce5a130a6a37ed33962bdf33bbe..6707742ed01a7087be83cc9c38aa5fe77ce9931f 100644
--- a/base/android/jni_generator/sample_for_tests.cc
+++ b/base/android/jni_generator/sample_for_tests.cc
@@ -59,7 +59,7 @@ base::android::ScopedJavaLocalRef<jstring> CPPClass::ReturnAString(
 }
 
 // Static free functions declared and called directly from java.
-static jint Init(JNIEnv* env, jobject obj, jstring param) {
+static jlong Init(JNIEnv* env, jobject obj, jstring param) {
   return 0;
 }