Implement RTCInboundRTPStreamStats.JitterBufferMinimumDelay

This metric was recently added to the standard (see https://w3c.github.io/webrtc-stats/#dom-rtcinboundrtpstreamstats-jitterbufferminimumdelay). This CL implements it for audio streams.

Bug: webrtc:14141
Change-Id: I79d918639cd12361ebbc28c2be41549e33fa7e2a
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/262770
Reviewed-by: Tomas Gunnarsson <tommi@webrtc.org>
Reviewed-by: Jakob Ivarsson‎ <jakobi@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Commit-Queue: Ivo Creusen <ivoc@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#37567}
diff --git a/pc/rtc_stats_integrationtest.cc b/pc/rtc_stats_integrationtest.cc
index 43d75ff..4cb9c15 100644
--- a/pc/rtc_stats_integrationtest.cc
+++ b/pc/rtc_stats_integrationtest.cc
@@ -845,6 +845,8 @@
       verifier.TestMemberIsUndefined(
           inbound_stream.removed_samples_for_acceleration);
       verifier.TestMemberIsUndefined(inbound_stream.jitter_buffer_target_delay);
+      verifier.TestMemberIsUndefined(
+          inbound_stream.jitter_buffer_minimum_delay);
       verifier.TestMemberIsUndefined(inbound_stream.audio_level);
       verifier.TestMemberIsUndefined(inbound_stream.total_audio_energy);
       verifier.TestMemberIsUndefined(inbound_stream.total_samples_duration);
@@ -870,6 +872,8 @@
           inbound_stream.removed_samples_for_acceleration);
       verifier.TestMemberIsNonNegative<double>(
           inbound_stream.jitter_buffer_target_delay);
+      verifier.TestMemberIsNonNegative<double>(
+          inbound_stream.jitter_buffer_minimum_delay);
       verifier.TestMemberIsPositive<double>(inbound_stream.audio_level);
       verifier.TestMemberIsPositive<double>(inbound_stream.total_audio_energy);
       verifier.TestMemberIsPositive<double>(