Fix flaky unit test in rtc_unittests

Bug: webrtc:9902
Change-Id: I1f6a794a7b473b02764edda486864b6fda94ce39
Reviewed-on: https://webrtc-review.googlesource.com/c/107623
Commit-Queue: Johannes Kron <kron@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25314}
diff --git a/media/base/fakevideocapturer.cc b/media/base/fakevideocapturer.cc
index 94900ba..b5d0189 100644
--- a/media/base/fakevideocapturer.cc
+++ b/media/base/fakevideocapturer.cc
@@ -11,6 +11,7 @@
 #include "media/base/fakevideocapturer.h"
 
 #include "rtc_base/arraysize.h"
+#include "rtc_base/timeutils.h"
 
 namespace cricket {
 
@@ -95,7 +96,7 @@
   SetCaptureState(cricket::CS_RUNNING);
   frame_source_ = absl::make_unique<FakeFrameSource>(
       format.width, format.height,
-      format.interval / rtc::kNumNanosecsPerMicrosec);
+      format.interval / rtc::kNumNanosecsPerMicrosec, rtc::TimeMicros());
   frame_source_->SetRotation(rotation_);
   return cricket::CS_RUNNING;
 }