Cleanup construction parameters for remote bitrate estimator helpers

Values of these parameters are always the same and thus can be hardcoded

Bug: None
Change-Id: Ie19a1c6305d503ad2c92af503006a72b7981e178
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/298622
Auto-Submit: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Per Kjellander <perkj@webrtc.org>
Reviewed-by: Per Kjellander <perkj@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39637}
diff --git a/modules/remote_bitrate_estimator/inter_arrival_unittest.cc b/modules/remote_bitrate_estimator/inter_arrival_unittest.cc
index 72a772e..581963e 100644
--- a/modules/remote_bitrate_estimator/inter_arrival_unittest.cc
+++ b/modules/remote_bitrate_estimator/inter_arrival_unittest.cc
@@ -33,12 +33,11 @@
 class InterArrivalTest : public ::testing::Test {
  protected:
   virtual void SetUp() {
-    inter_arrival_.reset(
-        new InterArrival(kTimestampGroupLengthUs / 1000, 1.0, true));
+    inter_arrival_.reset(new InterArrival(kTimestampGroupLengthUs / 1000, 1.0));
     inter_arrival_rtp_.reset(new InterArrival(
-        MakeRtpTimestamp(kTimestampGroupLengthUs), kRtpTimestampToMs, true));
-    inter_arrival_ast_.reset(new InterArrival(
-        MakeAbsSendTime(kTimestampGroupLengthUs), kAstToMs, true));
+        MakeRtpTimestamp(kTimestampGroupLengthUs), kRtpTimestampToMs));
+    inter_arrival_ast_.reset(
+        new InterArrival(MakeAbsSendTime(kTimestampGroupLengthUs), kAstToMs));
   }
 
   // Test that neither inter_arrival instance complete the timestamp group from