Fix invalid JNI call signature.
Bug: 5029536

Change-Id: I1f9b3faa77d49e26ef43982ff57cbbf0c3be8b40
diff --git a/core/jni/android_server_BluetoothEventLoop.cpp b/core/jni/android_server_BluetoothEventLoop.cpp
index 2b09442..8f84b81 100644
--- a/core/jni/android_server_BluetoothEventLoop.cpp
+++ b/core/jni/android_server_BluetoothEventLoop.cpp
@@ -1115,7 +1115,7 @@
         LOGV("... uuid = %s", uuid);
 
         dbus_message_ref(msg);  // increment refcount because we pass to java
-        env->CallBooleanMethod(nat->me, method_onAgentAuthorize,
+        env->CallVoidMethod(nat->me, method_onAgentAuthorize,
                 env->NewStringUTF(object_path), env->NewStringUTF(uuid),
                 int(msg));