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_histogram_unittest.cc b/pc/peer_connection_histogram_unittest.cc
index 39b9a73..97fbde2 100644
--- a/pc/peer_connection_histogram_unittest.cc
+++ b/pc/peer_connection_histogram_unittest.cc
@@ -497,7 +497,7 @@
                                                  expected_fingerprint_callee));
 }
 
-#ifdef HAVE_SCTP
+#ifdef WEBRTC_HAVE_SCTP
 TEST_F(PeerConnectionUsageHistogramTest, FingerprintDataOnly) {
   auto caller = CreatePeerConnection();
   auto callee = CreatePeerConnection();
@@ -521,7 +521,7 @@
           expected_fingerprint |
               static_cast<int>(UsageEvent::PRIVATE_CANDIDATE_COLLECTED)) == 2);
 }
-#endif  // HAVE_SCTP
+#endif  // WEBRTC_HAVE_SCTP
 #endif  // WEBRTC_ANDROID
 
 TEST_F(PeerConnectionUsageHistogramTest, FingerprintStunTurn) {
@@ -628,7 +628,7 @@
 }
 
 #ifndef WEBRTC_ANDROID
-#ifdef HAVE_SCTP
+#ifdef WEBRTC_HAVE_SCTP
 // Test that the usage pattern bits for adding remote (private IPv6) candidates
 // are set when the remote candidates are retrieved from the Offer SDP instead
 // of trickled ICE messages.