Revert of [telemetry] Always use a dynamic device port on android. (RELAND)

telemetry/telemetry/internal/platform/android_platform_backend.py

Index: telemetry/telemetry/internal/platform/android_platform_backend.py
diff --git a/telemetry/telemetry/internal/platform/android_platform_backend.py b/telemetry/telemetry/internal/platform/android_platform_backend.py
index e5a73570bd0a6a0a217cadd973b4c3c8ad33f063..88598db9fc2415e26e466396a37853c5d42ff9f8 100644
--- a/telemetry/telemetry/internal/platform/android_platform_backend.py
+++ b/telemetry/telemetry/internal/platform/android_platform_backend.py
@@ -42,12 +42,6 @@
 from devil.android.perf import thermal_throttle
 from devil.android.sdk import version_codes
 from devil.android.tools import video_recorder
-
-try:
-  # devil.android.forwarder uses fcntl, which doesn't exist on Windows.
-  from devil.android import forwarder
-except ImportError:
-  forwarder = None
 
 try:
   from devil.android.perf import surface_stats_collector
@@ -164,9 +158,6 @@
     else:
       return False
 
-  def GetRemotePort(self, port):
-    return forwarder.Forwarder.DevicePortForHostPort(port) or 0
-
   def IsDisplayTracingSupported(self):
     return bool(self.GetOSVersionName() >= 'J')