Remove bitrate cap for AdaptiveVideoSource and increase other caps to 25 Mbps.

webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc

Index: webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
diff --git a/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc b/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
index ac0e53d585435c02a5d07b8dfadd9bdfa09997b0..f277b8f0e01a8a87decf9e8ce163e4116e057dd2 100644
--- a/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
+++ b/webrtc/modules/remote_bitrate_estimator/test/bwe_test_framework.cc
@@ -765,7 +765,7 @@ AdaptiveVideoSource::AdaptiveVideoSource(int flow_id,
 }
 
 void AdaptiveVideoSource::SetBitrateBps(int bitrate_bps) {
-  bits_per_second_ = std::min(bitrate_bps, 2500000);
+  bits_per_second_ = bitrate_bps;
   frame_size_bytes_ = (bits_per_second_ / 8 * frame_period_ms_ + 500) / 1000;
 }