Remove VisualBench and its Android implementation.

gyp/kilobench.gyp

-# Copyright 2016 Google Inc.
-#
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-# GYP file to build performance testbench.
-#
-{
-  'includes': [
-    'apptype_console.gypi',
-  ],
-  'targets': [
-    {
-      'target_name': 'kilobench',
-      'type': 'executable',
-      'include_dirs': [
-        '../bench',
-        '../gm',
-        '../include/private',
-        '../src/core',
-        '../src/gpu',
-        '../tools/VisualBench',
-      ],
-      'sources': [ 
-        '<!@(python find.py ../tools/kilobench "*.cpp")',
-        '../bench/Benchmark.cpp',
-        '../tools/VisualBench/VisualSKPBench.cpp',
-      ],
-      'dependencies': [
-        'flags.gyp:flags',
-        'gpu.gyp:skgpu',
-        'gputest.gyp:skgputest',
-        'jsoncpp.gyp:jsoncpp',
-        'skia_lib.gyp:skia_lib',
-        'tools.gyp:crash_handler',
-        'tools.gyp:proc_stats',
-        'tools.gyp:resources',
-        'tools.gyp:timer',
-      ],
-    },
-  ],
-}