Replaces redundant congestion controller components

This CL replaces components in the congestion controller module
that are identical to equivalent components in the rtp and goog_cc
subfolder. Some redundant components are left as they were not
trivial to replace.

Bug: webrtc:8415
Change-Id: I86a1f164d7b100b8ec8ba7dbc1c9bda2128a4f37
Reviewed-on: https://webrtc-review.googlesource.com/78521
Commit-Queue: Sebastian Jansson <srte@webrtc.org>
Reviewed-by: Björn Terelius <terelius@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#23384}
diff --git a/rtc_tools/BUILD.gn b/rtc_tools/BUILD.gn
index 73e2494..0cc7792 100644
--- a/rtc_tools/BUILD.gn
+++ b/rtc_tools/BUILD.gn
@@ -243,7 +243,7 @@
         "../api/audio_codecs:audio_codecs_api",
         "../modules/congestion_controller",
         "../modules/congestion_controller:delay_based_bwe",
-        "../modules/congestion_controller:estimators",
+        "../modules/congestion_controller/goog_cc:estimators",
         "../modules/pacing",
         "../modules/rtp_rtcp",
         "../system_wrappers:system_wrappers_default",