Improve logging of DTLS transport handshake

showing whether the DTLS transport is active and will send
a client hello or not.

BUG=None

Change-Id: If5c631c5e8701b0d1a4bb484467c93027b994ed7
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/287863
Reviewed-by: Taylor Brandstetter <deadbeef@webrtc.org>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Commit-Queue: Philipp Hancke <phancke@microsoft.com>
Cr-Commit-Position: refs/heads/main@{#38886}
diff --git a/p2p/base/dtls_transport.cc b/p2p/base/dtls_transport.cc
index 4180bc8..af16efa 100644
--- a/p2p/base/dtls_transport.cc
+++ b/p2p/base/dtls_transport.cc
@@ -758,7 +758,9 @@
       set_dtls_state(webrtc::DtlsTransportState::kFailed);
       return;
     }
-    RTC_LOG(LS_INFO) << ToString() << ": DtlsTransport: Started DTLS handshake";
+    RTC_LOG(LS_INFO) << ToString()
+                     << ": DtlsTransport: Started DTLS handshake active="
+                     << IsDtlsActive();
     set_dtls_state(webrtc::DtlsTransportState::kConnecting);
     // Now that the handshake has started, we can process a cached ClientHello
     // (if one exists).