Flip win_chromium_rel_ng back to GYP, re-add win8_chromium_ng to CQ.

tools/mb/mb_config.pyl

Index: tools/mb/mb_config.pyl
diff --git a/tools/mb/mb_config.pyl b/tools/mb/mb_config.pyl
index af20c96775ea5b1805490e09841170d1162c0428..a9d45e27320e0b6b00a108ff319fba87784cba0d 100644
--- a/tools/mb/mb_config.pyl
+++ b/tools/mb/mb_config.pyl
@@ -606,7 +606,7 @@
 
     'chromium.win': {
       # Windows bots take too long to link w/ full symbols and time out.
-      'Win Builder': 'swarming_gn_release_bot_minimal_symbols_x86',
+      'Win Builder': 'swarming_gyp_release_bot_minimal_symbols_x86',
       'Win Builder (dbg)': 'swarming_gn_debug_bot_minimal_symbols_x86',
       'Win x64 Builder': 'swarming_gn_release_bot_minimal_symbols_x64',
       'Win x64 Builder (dbg)': 'swarming_gn_debug_bot_minimal_symbols_x64',
@@ -864,7 +864,7 @@
       'win_chromium_compile_rel_ng':
         'swarming_gpu_tests_gn_release_trybot_x86',
       'win_chromium_dbg_ng': 'swarming_gn_debug_trybot_x86',
-      'win_chromium_rel_ng': 'swarming_gpu_tests_gn_release_trybot_x86',
+      'win_chromium_rel_ng': 'swarming_gpu_tests_gyp_release_trybot_x86',
       'win_chromium_syzyasan_rel': 'swarming_gyp_syzyasan_release_trybot_x86',
       'win_chromium_variable': 'findit',
       'win_chromium_variable_archive': 'findit',
@@ -1595,6 +1595,10 @@
       'swarming', 'gn', 'release_bot_minimal_symbols', 'x86',
     ],
 
+    'swarming_gyp_release_bot_minimal_symbols_x86': [
+      'swarming', 'gyp', 'release_bot_minimal_symbols', 'x86',
+    ],
+
     'swarming_gn_release_bot_x64': [
       'swarming', 'gn', 'release_bot', 'x64',
     ],
@@ -1673,6 +1677,10 @@
       'swarming', 'gpu_tests', 'gn', 'release_trybot', 'x86',
     ],
 
+    'swarming_gpu_tests_gyp_release_trybot_x86': [
+      'swarming', 'gpu_tests', 'gyp', 'release_trybot', 'x86',
+    ],
+
     'swarming_gpu_tests_gyp_debug_trybot': [
       'swarming', 'gpu_tests', 'gyp', 'debug_trybot',
     ],