Properly report SSL_session_reused after a renegotiation.

We forgot to reset that value.

Change-Id: Ic869cb61da332983cc40223cbbdf23b455dd9766
Reviewed-on: https://boringssl-review.googlesource.com/20084
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Steven Valdez <svaldez@google.com>
Reviewed-by: Steven Valdez <svaldez@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
diff --git a/ssl/test/runner/runner.go b/ssl/test/runner/runner.go
index 0ce6849..89f0713 100644
--- a/ssl/test/runner/runner.go
+++ b/ssl/test/runner/runner.go
@@ -7115,6 +7115,9 @@
 			},
 		},
 		renegotiate: 1,
+		// Test renegotiation after both an initial and resumption
+		// handshake.
+		resumeSession: true,
 		flags: []string{
 			"-renegotiate-freely",
 			"-expect-total-renegotiations", "1",