[Android] Add animation frame time histogram class.

base/base.gypi

 # 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
       'base_i18n_target': 0,
     },
     'target_conditions': [
       # This part is shared between the targets defined below.
       ['base_target==1', {
         'sources': [
           '../build/build_config.h',
           'allocator/allocator_extension.cc',
           'allocator/allocator_extension.h',
           'allocator/type_profiler_control.cc',
           'allocator/type_profiler_control.h',
+          'android/animation_frame_time_histogram.cc',
+          'android/animation_frame_time_histogram.h',
           'android/application_status_listener.cc',
           'android/application_status_listener.h',
           'android/base_jni_onload.cc',
           'android/base_jni_onload.h',
           'android/base_jni_registrar.cc',
           'android/base_jni_registrar.h',
           'android/build_info.cc',
           'android/build_info.h',
           'android/command_line_android.cc',
           'android/command_line_android.h',
@@ skipping 1017 matching lines @@
           'i18n/time_formatting.h',
           'i18n/timezone.cc',
           'i18n/timezone.h',
           'i18n/utf8_validator_tables.cc',
           'i18n/utf8_validator_tables.h',
         ],
       }]
     ],
   },
 }