Reland "Change log level of AEC3 buffer info to VERBOSE"

This is a reland of 48148dc840f66c5f6adc5e2ba01c15104e0a9bab

Original change's description:
> Change log level of AEC3 buffer info to VERBOSE
>
> Otherwise, test logs become very verbose:
> https://chrome-swarming.appspot.com/task?id=49b6fa6ac93e2310
> See linked issue.
>
> Bug: webrtc:11278
> Change-Id: I778ee4826de6c1b23d47a5d5ce302d074900ce6b
> Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/165786
> Reviewed-by: Per Åhgren <peah@webrtc.org>
> Commit-Queue: Sam Zackrisson <saza@webrtc.org>
> Cr-Commit-Position: refs/heads/master@{#30233}

Bug: webrtc:11278, webrtc:11295
Change-Id: I8e6f11457e283c83cae5581adcacdc4d3b5431bb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/167360
Reviewed-by: Per Åhgren <peah@webrtc.org>
Commit-Queue: Sam Zackrisson <saza@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#30372}
diff --git a/modules/audio_processing/aec3/render_delay_buffer.cc b/modules/audio_processing/aec3/render_delay_buffer.cc
index e733294..bc6ba15 100644
--- a/modules/audio_processing/aec3/render_delay_buffer.cc
+++ b/modules/audio_processing/aec3/render_delay_buffer.cc
@@ -126,7 +126,7 @@
           std::pow(10.0f, config_.render_levels.render_power_gain_db / 20.f)),
       delay_log_level_(config_.delay.log_warning_on_delay_changes
                            ? rtc::LS_WARNING
-                           : rtc::LS_INFO),
+                           : rtc::LS_VERBOSE),
       down_sampling_factor_(config.delay.down_sampling_factor),
       sub_block_size_(static_cast<int>(down_sampling_factor_ > 0
                                            ? kBlockSize / down_sampling_factor_