Enable proxy_unittest (thread proxy tests).
BUG=webrtc:5426
Review URL: https://codereview.webrtc.org/1876773002
Cr-Commit-Position: refs/heads/master@{#12314}
diff --git a/webrtc/api/proxy_unittest.cc b/webrtc/api/proxy_unittest.cc
index 85e5438..2578e9b 100644
--- a/webrtc/api/proxy_unittest.cc
+++ b/webrtc/api/proxy_unittest.cc
@@ -12,7 +12,7 @@
#include <string>
-#include "testing/base/public/gmock.h"
+#include "testing/gmock/include/gmock/gmock.h"
#include "webrtc/base/gunit.h"
#include "webrtc/base/refcount.h"
#include "webrtc/base/scoped_ptr.h"