[telemetry] Removing flake in wpr_server.py caused by static port assignment from chrome/test/funct…

tools/telemetry/telemetry/browser.py

Index: tools/telemetry/telemetry/browser.py
diff --git a/tools/telemetry/telemetry/browser.py b/tools/telemetry/telemetry/browser.py
index 96dcc9bb141d5a066e91429c2ab0b39f538e821e..d2d6fc81f55b7b364d0bb94511bee99dd1efcecc 100644
--- a/tools/telemetry/telemetry/browser.py
+++ b/tools/telemetry/telemetry/browser.py
@@ -106,5 +106,13 @@ class Browser(object):
     if not use_record_mode:
       assert os.path.isfile(archive_path)
 
+    http_port = None
+    https_port = None
+
+    if hasattr(self._backend, 'http_port') and hasattr(self._backend,
+                                                       'https_port'):
+      http_port = self._backend.http_port
+      https_port = self._backend.https_port
+
     self._wpr_server = wpr_server.ReplayServer(
-      self._backend, archive_path, use_record_mode)
+      self._backend, archive_path, use_record_mode, http_port, https_port)