Increase QP threshold for H.264 encoder QP based scaling.

webrtc/modules/video_coding/utility/quality_scaler.cc

Index: webrtc/modules/video_coding/utility/quality_scaler.cc
diff --git a/webrtc/modules/video_coding/utility/quality_scaler.cc b/webrtc/modules/video_coding/utility/quality_scaler.cc
index 8190ef421fe7c5e17e4e5f22b779c263a9a9c335..c509e843642f2237e94fe1727749479a9523faa7 100644
--- a/webrtc/modules/video_coding/utility/quality_scaler.cc
+++ b/webrtc/modules/video_coding/utility/quality_scaler.cc
@@ -42,8 +42,8 @@ const int QualityScaler::kBadVp8QpThreshold = 95;
 const int QualityScaler::kLowH264QpThreshold = 32;
 const int QualityScaler::kBadH264QpThreshold = 42;
 #else
-const int QualityScaler::kLowH264QpThreshold = 22;
-const int QualityScaler::kBadH264QpThreshold = 35;
+const int QualityScaler::kLowH264QpThreshold = 24;
+const int QualityScaler::kBadH264QpThreshold = 37;
 #endif
 
 QualityScaler::QualityScaler() : low_qp_threshold_(-1) {}