Move Android Nexus 9 GPU bot to chromium.gpu.fyi waterfall.

scripts/slave/recipes/chromium.gpu.recipe_autogen.py

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 DEPS = [
   'depot_tools/bot_update',
   'chromium',
   'depot_tools/gclient',
   'recipe_engine/json',
   'recipe_engine/properties',
@@ skipping 111 matching lines @@
 
 
 def RunSteps(api):
   if api.properties["buildername"] not in dispatch_directory:
     raise api.step.StepFailure("Builder unsupported by recipe.")
   else:
     dispatch_directory[api.properties["buildername"]](api)
 
 def GenTests(api):
   yield (api.test('Android_Debug__Nexus_9_') +
-    api.properties(mastername='chromium.gpu') +
+    api.properties(mastername='chromium.gpu.fyi') +
     api.properties(buildername='Android Debug (Nexus 9)') +
     api.properties(slavename='TestSlave')
         )
   yield (api.test('Android_Debug__Nexus_5_') +
     api.properties(mastername='chromium.gpu') +
     api.properties(buildername='Android Debug (Nexus 5)') +
     api.properties(slavename='TestSlave')
         )
   yield (api.test('Android_Debug__Nexus_6_') +
     api.properties(mastername='chromium.gpu') +
     api.properties(buildername='Android Debug (Nexus 6)') +
     api.properties(slavename='TestSlave')
         )
   yield (api.test('builder_not_in_dispatch_directory') +
     api.properties(mastername='chromium.gpu') +
     api.properties(buildername='nonexistent_builder') +
     api.properties(slavename='TestSlave')
         )