Add GPU FYI Linux Ozone builder.

content/test/gpu/generate_buildbot_json.py

 #!/usr/bin/env python
 # 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.
 
 """Script to generate chromium.gpu.json and chromium.gpu.fyi.json in
 the src/testing/buildbot directory. Maintaining these files by hand is
 too unwieldy.
 """
 
@@ skipping 116 matching lines @@
     'GPU Win Builder (dbg)' : {},
     'GPU Win x64 Builder' : {},
     'GPU Win x64 Builder (dbg)' : {},
     'GPU Mac Builder' : {},
     'GPU Mac Builder (dbg)' : {},
     'GPU Linux Builder' : {},
     'GPU Linux Builder (dbg)' : {},
     'Linux ChromiumOS Builder' : {
       'additional_compile_targets' : [ "All" ]
     },
+    'Linux ChromiumOS Ozone Builder' : {},
   },
 
   'testers': {
     'Win7 Release (NVIDIA)': {
       'swarming_dimensions': [
         {
           'gpu': '10de:104a',
           'os': 'Windows-2008ServerR2-SP1'
         },
       ],
@@ skipping 1446 matching lines @@
     json.dump(tests, fp, indent=2, separators=(',', ': '), sort_keys=True)
     fp.write('\n')
 
 def main():
   generate_all_tests(FYI_WATERFALL, True)
   generate_all_tests(WATERFALL, False)
   return 0
 
 if __name__ == "__main__":
   sys.exit(main())