Cherry-picks for M62. (#4650)

* Include GoogleUtilities in the release manifest.

* Crashlytics fix header import ordering issue (#4649)

Co-authored-by: Sam Edson <samedson93@gmail.com>

Crashlytics/Crashlytics/Unwind/Compact/FIRCLSCompactUnwind.h

@@ -14,6 +14,7 @@
 
 #pragma once
 
+#include "FIRCLSFeatures.h"
 #include "FIRCLSThreadState.h"
 
 #include <stdbool.h>

Releases/Manifests/6.15.0.json

@@ -14,5 +14,6 @@
   "FirebaseMessaging":"4.2.0",
   "FirebaseStorage":"3.5.0",
   "GoogleDataTransport":"3.3.0",
-  "GoogleDataTransportCCTSupport":"1.3.0"
+  "GoogleDataTransportCCTSupport":"1.3.0",
+  "GoogleUtilities":"6.5.0"
 }