Move JitterEstimator into timing sub-folder

Bug: webrtc:14111
Change-Id: Ic5c66f35e3cedac7a328fbb6613e5cdf13a8005e
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/263582
Commit-Queue: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Åsa Persson <asapersson@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37000}
diff --git a/modules/video_coding/jitter_buffer.h b/modules/video_coding/jitter_buffer.h
index e31c775..7ca8953 100644
--- a/modules/video_coding/jitter_buffer.h
+++ b/modules/video_coding/jitter_buffer.h
@@ -25,8 +25,8 @@
 #include "modules/video_coding/include/video_coding.h"
 #include "modules/video_coding/include/video_coding_defines.h"
 #include "modules/video_coding/jitter_buffer_common.h"
-#include "modules/video_coding/jitter_estimator.h"
 #include "modules/video_coding/timing/inter_frame_delay.h"
+#include "modules/video_coding/timing/jitter_estimator.h"
 #include "rtc_base/synchronization/mutex.h"
 #include "rtc_base/thread_annotations.h"
 
@@ -252,7 +252,7 @@
 
   // Jitter estimation.
   // Filter for estimating jitter.
-  VCMJitterEstimator jitter_estimate_;
+  JitterEstimator jitter_estimate_;
   // Calculates network delays used for jitter calculations.
   InterFrameDelay inter_frame_delay_;
   VCMJitterSample waiting_for_completion_;