[Android] Add mb configurations for the android bots on chromium.gpu.

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 map of buildbot master names -> buildbot builder names ->
   # config names (where each config name is a key in the 'configs' dict,
   # below). MB uses this dict to look up which config to use for a given bot.
   'masters': {
     # Take care when changing any of these builders to ensure that you do not
@@ skipping 196 matching lines @@
       'Win LKGR (DrM 64)': 'gn_release_drmemory_drfuzz',
       'Win LKGR (DrM)': 'gn_release_drmemory_drfuzz_x86',
       'Win8 Tests (1)': 'none',
       'Win8 Tests (2)': 'none',
       'WinClang': 'win_clang_debug_bot',
       'Windows Browser (DrMemory light) (1)': 'none',
       'Windows Browser (DrMemory light) (2)': 'none',
     },
 
     'chromium.gpu': {
-      'Android Debug (Nexus 5)': 'tbd',
-      'Android Debug (Nexus 6)': 'tbd',
-      'Android Debug (Nexus 9)': 'tbd',
+      'Android Debug (Nexus 5)': 'android_gyp_debug_static_bot',
+      'Android Debug (Nexus 6)': 'android_gyp_debug_static_bot',
+      'Android Debug (Nexus 9)': 'android_gyp_debug_static_bot_arm64',
       'GPU Mac Builder': 'tbd',
       'GPU Mac Builder (dbg)': 'tbd',
 
       'GPU Linux Builder (dbg)': 'swarming_gpu_tests_gn_debug_bot',
       'GPU Linux Builder': 'swarming_gpu_tests_gn_release_bot',
       'GPU Win Builder':
         'swarming_gpu_tests_gyp_release_bot_minimal_symbols_x86',
       'GPU Win Builder (dbg)':
         'swarming_gpu_tests_gyp_debug_bot_minimal_symbols_x86',
       'Linux Debug (NVIDIA)': 'none',
@@ skipping 776 matching lines @@
     ],
 
     'android_gn_release_trybot': [
       'android', 'gn', 'release_trybot',
     ],
 
     'android_gyp_debug_static_bot': [
       'android', 'gyp', 'debug_static_bot',
     ],
 
+    'android_gyp_debug_static_bot_arm64': [
+      'android', 'gyp', 'debug_static_bot', 'arm64',
+    ],
+
     'android_gyp_debug_static_bot_x86': [
       'android', 'gyp', 'debug_static_bot', 'x86',
     ],
 
     'android_without_codecs_gyp_release_bot_minimal_symbols': [
       'android_without_codecs', 'gyp', 'release_bot_minimal_symbols',
     ],
 
     'cast_gn_release_bot': [
       'cast', 'gn', 'release_bot',
@@ skipping 897 matching lines @@
       'gn_args': 'is_component_build=true enable_iterator_debugging=false',
       'gyp_defines': 'component=shared_library build_for_tool=drmemory',
     },
 
     'valgrind': {
       # TODO: add gn_args for 'build_for_tool=memcheck'
       'gyp_defines': 'build_for_tool=memcheck',
     }
   },
 }