Try fixing telemetry on CrOS

telemetry/telemetry/internal/platform/platform_backend.py

Index: telemetry/telemetry/internal/platform/platform_backend.py
diff --git a/telemetry/telemetry/internal/platform/platform_backend.py b/telemetry/telemetry/internal/platform/platform_backend.py
index d099940fc7853de49911aa7d997253cb492eb05a..3c8721a9e48e9729629a6d1461cc3bcdb3b67cc4 100644
--- a/telemetry/telemetry/internal/platform/platform_backend.py
+++ b/telemetry/telemetry/internal/platform/platform_backend.py
@@ -88,9 +88,6 @@ class PlatformBackend(object):
   def GetPortPairForForwarding(self, local_port):
     return forwarders.PortPair(local_port=local_port, remote_port=local_port)
 
-  def GetRemotePort(self, port):
-    return port
-
   def GetSystemLog(self):
     return None