Refactor EncodeParameters usage, remove unused rtt/loss

Bug: webrtc:10126
Change-Id: Ib93f5e65b25540576c026197f72a5902cf43fc16
Reviewed-on: https://webrtc-review.googlesource.com/c/114281
Reviewed-by: Ilya Nikolaevskiy <ilnik@webrtc.org>
Commit-Queue: Erik Språng <sprang@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26001}
diff --git a/modules/video_coding/video_coding_impl.cc b/modules/video_coding/video_coding_impl.cc
index 39eccb5..dffebd7 100644
--- a/modules/video_coding/video_coding_impl.cc
+++ b/modules/video_coding/video_coding_impl.cc
@@ -121,8 +121,8 @@
   int32_t SetChannelParameters(uint32_t target_bitrate,  // bits/s.
                                uint8_t lossRate,
                                int64_t rtt) override {
-    return sender_.SetChannelParameters(target_bitrate, lossRate, rtt,
-                                        rate_allocator_.get(), nullptr);
+    return sender_.SetChannelParameters(target_bitrate, rate_allocator_.get(),
+                                        nullptr);
   }
 
   int32_t SetVideoProtection(VCMVideoProtection videoProtection,