Enable tracing perftests on Android bots.

tools/perf/generate_perf_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.perf.json and chromium.perf.fyi.json in
 the src/testing/buildbot directory. Maintaining these files by hand is
 too unwieldy.
 """
 
@@ skipping 111 matching lines @@
       'chromium.perf': [
         {
           'name': 'Linux Perf',
           'shards': [3]
         },
       ]
     }
   },
   {
     'args': [
+      'tracing_perftests',
+      '--adb-path',
+      'src/third_party/catapult/devil/bin/deps/linux2/x86_64/bin/adb',
+    ],
+    'name': 'tracing_perftests',
+    'script': 'gtest_perf_test.py',
+    'testers': {
+      'chromium.perf': [
+        {
+          'name': 'Android Galaxy S5 Perf',
+          'shards': [3]
+        },
+        {
+          'name': 'Android Nexus5 Perf',
+          'shards': [2]
+        },
+        {
+          'name': 'Android Nexus6 Perf',
+          'shards': [2]
+        },
+        {
+          'name': 'Android Nexus7v2 Perf',
+          'shards': [2]
+        },
+        {
+          'name': 'Android Nexus9 Perf',
+          'shards': [2]
+        },
+      ]
+    }
+  },
+  {
+    'args': [
       'load_library_perf_tests',
       '--test-launcher-print-test-stdio=always'
     ],
     'name': 'load_library_perf_tests',
     'script': 'gtest_perf_test.py',
     'testers': {
       'chromium.perf': [
         {
           'name': 'Linux Perf',
           'shards': [3]
@@ skipping 515 matching lines @@
   waterfall['name'] = 'chromium.perf'
   fyi_waterfall = get_fyi_waterfall_config()
   fyi_waterfall['name'] = 'chromium.perf.fyi'
 
   generate_all_tests(fyi_waterfall)
   generate_all_tests(waterfall)
   return 0
 
 if __name__ == '__main__':
   sys.exit(main())