Avoid unnecessary HW video encoder reconfiguration

webrtc/config.cc

Index: webrtc/config.cc
diff --git a/webrtc/config.cc b/webrtc/config.cc
index 99146eba236f8dad677f83f982cb5db43ef6620e..02ac5deba0155e27bcf13090ef786b238f0a005e 100644
--- a/webrtc/config.cc
+++ b/webrtc/config.cc
@@ -107,8 +107,8 @@ std::string VideoStream::ToString() const {
 VideoEncoderConfig::VideoEncoderConfig()
     : content_type(ContentType::kRealtimeVideo),
       encoder_specific_settings(NULL),
-      min_transmit_bitrate_bps(0) {
-}
+      min_transmit_bitrate_bps(0),
+      encode_from_texture(false) {}
 
 VideoEncoderConfig::~VideoEncoderConfig() = default;