Run telemetry_perf_unittests via isolate on "Mac tests", "Linux tests" and trybot with swarming.

tools/telemetry/telemetry.isolate

 # Copyright (c) 2015 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.
 {
   'conditions': [
     ['OS=="android" or OS=="linux" or OS=="mac" or OS=="win"', {
       'variables': {
         'files': [
           '../../build/android/pylib/',
           '../../build/android/devil/',
+          '../../third_party/catapult/',
           './',
           # For Telemetry's screenshot support.
           '<(PRODUCT_DIR)/bitmaptools<(EXECUTABLE_SUFFIX)',
         ],
       },
     }],
   ]
 }