Allow Clock injection in Call.

Bug: webrtc:10365
Change-Id: I447df5add93648aebd4cf3e37d13310d990e0ba4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/125193
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Ying Wang <yinwa@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26955}
diff --git a/call/call.h b/call/call.h
index 055591a..3eceb49 100644
--- a/call/call.h
+++ b/call/call.h
@@ -52,6 +52,7 @@
 
   static Call* Create(const Call::Config& config);
   static Call* Create(const Call::Config& config,
+                      Clock* clock,
                       std::unique_ptr<ProcessThread> call_thread,
                       std::unique_ptr<ProcessThread> pacer_thread,
                       TaskQueueFactory* task_queue_factory);