Add NVIDIA Shield GPU.FYI bot

tools/mb/mb_config.pyl

 # Copyright 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.
 
 # This is a .pyl, or "Python Literal", file. You can treat it just like a
 # .json file, with the following exceptions:
 # * all keys must be quoted (use single quotes, please);
 # * comments are allowed, using '#' syntax; and
 # * trailing commas are allowed.
 
@@ skipping 223 matching lines @@
     },
 
     'chromium.gpu.fyi': {
       # These all use the 'trybot' mixins to ensure that dcheck is on.
       'Android Release (Nexus 5)': 'android_release_trybot',
       'Android Release (Nexus 5X)': 'gpu_tests_deqp_android_release_trybot_arm64',
       'Android Release (Nexus 6)': 'android_release_trybot',
       'Android Release (Nexus 6P)': 'android_release_trybot_arm64',
       'Android Release (Nexus 9)': 'android_release_trybot_arm64',
       'Android Release (Pixel C)': 'android_release_trybot_arm64',
+      'Android Release (NVIDIA Shield)': 'android_release_trybot',
       'GPU Linux Builder (dbg)': 'gpu_fyi_tests_debug_trybot',
       'GPU Linux Builder': 'gpu_fyi_tests_release_trybot',
       'GPU Mac Builder': 'gpu_fyi_tests_release_trybot',
       'GPU Mac Builder (dbg)': 'gpu_fyi_tests_debug_trybot',
       'GPU Win Builder': 'gpu_tests_deqp_gles_release_trybot_x86',
       'GPU Win Builder (dbg)': 'gpu_tests_deqp_gles_debug_trybot_x86',
       'GPU Win Clang Builder (dbg)': 'gpu_fyi_tests_win_clang_debug_bot',
       'GPU Win x64 Builder': 'gpu_tests_deqp_gles_release_trybot',
       'GPU Win x64 Builder (dbg)': 'gpu_tests_deqp_gles_debug_trybot',
       'Linux ChromiumOS Builder': 'gpu_fyi_tests_chromeos_release_trybot',
@@ skipping 1682 matching lines @@
 
     'x64': {
       'gn_args': 'target_cpu="x64"',
     },
 
     'x86': {
       'gn_args': 'target_cpu="x86"',
     },
   },
 }