Replace CHECK(x && y) with two separate CHECK() calls

webrtc/pc/rtpsender.cc

Index: webrtc/pc/rtpsender.cc
diff --git a/webrtc/pc/rtpsender.cc b/webrtc/pc/rtpsender.cc
index a16a28c193e2bca2825bd1fa9c94ba2933bd035a..9d920e6f080a029c404c671a2451af6db1f438a2 100644
--- a/webrtc/pc/rtpsender.cc
+++ b/webrtc/pc/rtpsender.cc
@@ -243,7 +243,8 @@ void AudioRtpSender::Stop() {
 }
 
 void AudioRtpSender::SetAudioSend() {
-  RTC_DCHECK(!stopped_ && can_send_track());
+  RTC_DCHECK(!stopped_);
+  RTC_DCHECK(can_send_track());
   if (!channel_) {
     LOG(LS_ERROR) << "SetAudioSend: No audio channel exists.";
     return;
@@ -430,7 +431,8 @@ void VideoRtpSender::Stop() {
 }
 
 void VideoRtpSender::SetVideoSend() {
-  RTC_DCHECK(!stopped_ && can_send_track());
+  RTC_DCHECK(!stopped_);
+  RTC_DCHECK(can_send_track());
   if (!channel_) {
     LOG(LS_ERROR) << "SetVideoSend: No video channel exists.";
     return;