Set use_rndis_forwarder in platform backend.

tools/telemetry/telemetry/core/backends/chrome/android_browser_finder.py

Index: tools/telemetry/telemetry/core/backends/chrome/android_browser_finder.py
diff --git a/tools/telemetry/telemetry/core/backends/chrome/android_browser_finder.py b/tools/telemetry/telemetry/core/backends/chrome/android_browser_finder.py
index 348d1354c7f97c748065a16b509715f6f9e48bef..4525bda8b4a43e22c3934ebbb84c66297fb59d58 100644
--- a/tools/telemetry/telemetry/core/backends/chrome/android_browser_finder.py
+++ b/tools/telemetry/telemetry/core/backends/chrome/android_browser_finder.py
@@ -103,14 +103,9 @@ class PossibleAndroidBrowser(possible_browser.PossibleBrowser):
 
   def Create(self, finder_options):
     self._InitPlatformIfNeeded()
-
-    use_rndis_forwarder = (finder_options.android_rndis or
-                           finder_options.browser_options.netsim or
-                           platform.GetHostPlatform().GetOSName() != 'linux')
     browser_backend = android_browser_backend.AndroidBrowserBackend(
         self._platform_backend,
         finder_options.browser_options, self._backend_settings,
-        use_rndis_forwarder,
         output_profile_path=finder_options.output_profile_path,
         extensions_to_load=finder_options.extensions_to_load,
         target_arch=finder_options.target_arch)
@@ -210,5 +205,5 @@ def FindAllAvailableBrowsers(finder_options):
   device = android_device.GetDevice(finder_options)
   if not device:
     return []
-  android_platform = platform.GetPlatformForDevice(device)
+  android_platform = platform.GetPlatformForDevice(device, finder_options)
   return _FindAllPossibleBrowsers(finder_options, android_platform)