Messaging crash during initialization (#760)

* Messaging crash during initialization

* Update readme

Author: TBarendt

messaging/src/android/cpp/messaging.cc

@@ -630,6 +630,8 @@ InitResult Initialize(const ::firebase::App& app, Listener* listener,
       pthread_create(&g_poll_thread, nullptr, MessageProcessingThread, nullptr);
   FIREBASE_ASSERT(result == 0);
 
+  FutureData::Create();
+
   if (g_registration_token_request_state !=
       kRegistrationTokenRequestStateNone) {
     // Calling this again, now that we're initialized.
@@ -647,8 +649,6 @@ InitResult Initialize(const ::firebase::App& app, Listener* listener,
         kDeliveryMetricsExportToBigQueryEnable);
   }
 
-  FutureData::Create();
-
   // Supposedly App creation also creates a registration token, but this seems
   // to happen before the C++ listeners are able to capture it.
   // So this may seem redundant but at least both are respecting the same flag

release_build_files/readme.md

@@ -578,6 +578,8 @@ code.
     -   Messaging (Android): Fixed crash during termination.
         ([#739](https://github.com/firebase/firebase-cpp-sdk/pull/739))
         ([#745](https://github.com/firebase/firebase-cpp-sdk/pull/745))
+    -   Messaging (Android): Fixed crash during initialization.
+        ([#760](https://github.com/firebase/firebase-cpp-sdk/pull/760))
 
 
 ### 8.7.0