Enable H.264 HW decoder soft rest.

webrtc/api/java/jni/androidmediaencoder_jni.cc

Index: webrtc/api/java/jni/androidmediaencoder_jni.cc
diff --git a/webrtc/api/java/jni/androidmediaencoder_jni.cc b/webrtc/api/java/jni/androidmediaencoder_jni.cc
index dba71acac93b7aba41483ba364b663ddfd6be2d8..f4d8b9d23857de41311ff357be0882bbb7ada771 100644
--- a/webrtc/api/java/jni/androidmediaencoder_jni.cc
+++ b/webrtc/api/java/jni/androidmediaencoder_jni.cc
@@ -377,15 +377,15 @@ int32_t MediaCodecVideoEncoder::InitEncode(
       // (internal) range: [0, 127]. And we cannot change QP_max in HW, so it is
       // always = 127. Note that in SW, QP is that of the user-level range [0,
       // 63].
-      const int kLowQpThreshold = 32;
-      const int kBadQpThreshold = 92;
+      const int kLowQpThreshold = 29;
+      const int kBadQpThreshold = 90;
       quality_scaler_.Init(kLowQpThreshold, kBadQpThreshold, false,
           codec_settings->startBitrate,
           codec_settings->width, codec_settings->height);
     } else if (codecType_ == kVideoCodecH264) {
       // H264 QP is in the range [0, 51].
       const int kLowQpThreshold = 21;
-      const int kBadQpThreshold = 36;
+      const int kBadQpThreshold = 33;
       quality_scaler_.Init(kLowQpThreshold, kBadQpThreshold, false,
           codec_settings->startBitrate,
           codec_settings->width, codec_settings->height);