Prefix HAVE_SCTP macro with WEBRTC_.

Generated automatically with:

  git grep -l "\bHAVE_SCTP\b" | xargs \
    sed -i '' 's/HAVE_SCTP/WEBRTC_HAVE_SCTP/g'

Bug: webrtc:11142
Change-Id: I30e16a40ca7a7e388940191df22b705265b42cb4
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/202251
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#33042}
diff --git a/pc/peer_connection_rtp_unittest.cc b/pc/peer_connection_rtp_unittest.cc
index 4d6da66..3614f0c 100644
--- a/pc/peer_connection_rtp_unittest.cc
+++ b/pc/peer_connection_rtp_unittest.cc
@@ -1844,7 +1844,7 @@
 
 class SdpFormatReceivedTest : public PeerConnectionRtpTestUnifiedPlan {};
 
-#ifdef HAVE_SCTP
+#ifdef WEBRTC_HAVE_SCTP
 TEST_F(SdpFormatReceivedTest, DataChannelOnlyIsReportedAsNoTracks) {
   auto caller = CreatePeerConnectionWithUnifiedPlan();
   caller->CreateDataChannel("dc");
@@ -1856,7 +1856,7 @@
       metrics::Samples("WebRTC.PeerConnection.SdpFormatReceived"),
       ElementsAre(Pair(kSdpFormatReceivedNoTracks, 1)));
 }
-#endif  // HAVE_SCTP
+#endif  // WEBRTC_HAVE_SCTP
 
 TEST_F(SdpFormatReceivedTest, SimpleUnifiedPlanIsReportedAsSimple) {
   auto caller = CreatePeerConnectionWithUnifiedPlan();