Add macros for ability to log samples that are added to histograms (RTC_LOGGED_*).

Adds logging of:
- video stats that are recorded when a stream is removed
- bitrate stats that are recorded at the end of a call
- initial bwe rampup stats

BUG=

Review URL: https://codereview.webrtc.org/1788783002

Cr-Commit-Position: refs/heads/master@{#12133}
diff --git a/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.cc b/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.cc
index 869657b..2b7f719 100644
--- a/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.cc
+++ b/webrtc/modules/video_coding/codecs/vp8/screenshare_layers.cc
@@ -315,14 +315,14 @@
         "WebRTC.Video.Screenshare.Layer1.FrameRate",
         (stats_.num_tl1_frames_ + (duration_sec / 2)) / duration_sec);
     int total_frames = stats_.num_tl0_frames_ + stats_.num_tl1_frames_;
-    RTC_HISTOGRAM_COUNTS_10000("WebRTC.Video.Screenshare.FramesPerDrop",
-                               stats_.num_dropped_frames_ == 0
-                                   ? 0
-                                   : total_frames / stats_.num_dropped_frames_);
-    RTC_HISTOGRAM_COUNTS_10000("WebRTC.Video.Screenshare.FramesPerOvershoot",
-                               stats_.num_overshoots_ == 0
-                                   ? 0
-                                   : total_frames / stats_.num_overshoots_);
+    RTC_HISTOGRAM_COUNTS_10000(
+        "WebRTC.Video.Screenshare.FramesPerDrop",
+        (stats_.num_dropped_frames_ == 0 ? 0 : total_frames /
+                                                   stats_.num_dropped_frames_));
+    RTC_HISTOGRAM_COUNTS_10000(
+        "WebRTC.Video.Screenshare.FramesPerOvershoot",
+        (stats_.num_overshoots_ == 0 ? 0
+                                     : total_frames / stats_.num_overshoots_));
     if (stats_.num_tl0_frames_ > 0) {
       RTC_HISTOGRAM_COUNTS_10000("WebRTC.Video.Screenshare.Layer0.Qp",
                                  stats_.tl0_qp_sum_ / stats_.num_tl0_frames_);
diff --git a/webrtc/modules/video_coding/jitter_buffer.cc b/webrtc/modules/video_coding/jitter_buffer.cc
index a3e0b2b..f048b0a 100644
--- a/webrtc/modules/video_coding/jitter_buffer.cc
+++ b/webrtc/modules/video_coding/jitter_buffer.cc
@@ -301,18 +301,18 @@
     return;
   }
 
-  RTC_HISTOGRAM_PERCENTAGE("WebRTC.Video.DiscardedPacketsInPercent",
-                           num_discarded_packets_ * 100 / num_packets_);
-  RTC_HISTOGRAM_PERCENTAGE("WebRTC.Video.DuplicatedPacketsInPercent",
-                           num_duplicated_packets_ * 100 / num_packets_);
+  RTC_LOGGED_HISTOGRAM_PERCENTAGE("WebRTC.Video.DiscardedPacketsInPercent",
+                                  num_discarded_packets_ * 100 / num_packets_);
+  RTC_LOGGED_HISTOGRAM_PERCENTAGE("WebRTC.Video.DuplicatedPacketsInPercent",
+                                  num_duplicated_packets_ * 100 / num_packets_);
 
   int total_frames =
       receive_statistics_.key_frames + receive_statistics_.delta_frames;
   if (total_frames > 0) {
-    RTC_HISTOGRAM_COUNTS_100(
+    RTC_LOGGED_HISTOGRAM_COUNTS_100(
         "WebRTC.Video.CompleteFramesReceivedPerSecond",
         static_cast<int>((total_frames / elapsed_sec) + 0.5f));
-    RTC_HISTOGRAM_COUNTS_1000(
+    RTC_LOGGED_HISTOGRAM_COUNTS_1000(
         "WebRTC.Video.KeyFramesReceivedInPermille",
         static_cast<int>(
             (receive_statistics_.key_frames * 1000.0f / total_frames) + 0.5f));
diff --git a/webrtc/modules/video_coding/timing.cc b/webrtc/modules/video_coding/timing.cc
index 91f5f84..6542ef5 100644
--- a/webrtc/modules/video_coding/timing.cc
+++ b/webrtc/modules/video_coding/timing.cc
@@ -62,14 +62,14 @@
   if (elapsed_sec < metrics::kMinRunTimeInSeconds) {
     return;
   }
-  RTC_HISTOGRAM_COUNTS_100(
+  RTC_LOGGED_HISTOGRAM_COUNTS_100(
       "WebRTC.Video.DecodedFramesPerSecond",
       static_cast<int>((num_decoded_frames_ / elapsed_sec) + 0.5f));
-  RTC_HISTOGRAM_PERCENTAGE(
+  RTC_LOGGED_HISTOGRAM_PERCENTAGE(
       "WebRTC.Video.DelayedFramesToRenderer",
       num_delayed_decoded_frames_ * 100 / num_decoded_frames_);
   if (num_delayed_decoded_frames_ > 0) {
-    RTC_HISTOGRAM_COUNTS_1000(
+    RTC_LOGGED_HISTOGRAM_COUNTS_1000(
         "WebRTC.Video.DelayedFramesToRenderer_AvgDelayInMs",
         sum_missed_render_deadline_ms_ / num_delayed_decoded_frames_);
   }