Add smoothness.tough_pinch_zoom_cases to Android perf bots.

masters/master.chromium.perf/master.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # Copyright (c) 2012 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.
 
 # This is the buildmaster config file for the 'chromium' bot. It must
 # be installed as 'master.cfg' in your buildmaster's base directory
 # (although the filename can be changed with the --basedir option to
@@ skipping 133 matching lines @@
     ( 0, 'media_android'),
     ( 0, 'memory_mobile_memory'),
     ( 0, 'page_cycler_pica'),
     ( 0, 'page_cycler_top_10_mobile'),
     ( 0, 'rasterize_and_record_key_mobile_sites'),
     ( 0, 'smoothness_gpu_rasterization_key_mobile_sites'),
     ( 0, 'smoothness_gpu_rasterization_key_silk_cases'),
     ( 0, 'smoothness_gpu_rasterization_top_25'),
     ( 0, 'smoothness_key_mobile_sites'),
     ( 0, 'smoothness_key_silk_cases'),
+    ( 0, 'smoothness_tough_pinch_zoom_cases'),
     ( 0, 'thread_times_key_silk_cases'),
 ]
 
 ALL_BENCHMARKS = master_utils.Partition(
     _CROSS_PLATFORM_BENCHMARKS +
     _GPU_BENCHMARKS +
     _DESKTOP_ONLY_BENCHMARKS +
     _ANDROID_ONLY_BENCHMARKS, 1)
 
 ANDROID_TESTER_BENCHMARKS = master_utils.Partition(
@@ skipping 1066 matching lines @@
 
 ####### PROJECT IDENTITY
 
 # the 'projectName' string will be used to describe the project that this
 # buildbot is working on. For example, it is used as the title of the
 # waterfall HTML page. The 'projectURL' string will be used to provide a link
 # from buildbot HTML pages to your project's home page.
 
 c['projectName'] = ActiveMaster.project_name
 c['projectURL'] = config.Master.project_url