[infra] Add MinorMC builders

Bug: v8:13145
Change-Id: Ie507d3db4ac1d6096ddb12e7d2d8895e18886642
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3810182Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Almothana Athamneh <almuthanna@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82222}

infra/mb/mb_config.pyl

@@ -244,6 +244,7 @@
       'v8_linux64_gcov_coverage': 'release_x64_gcc_coverage',
       'v8_linux64_header_includes_dbg': 'debug_x64_header_includes',
       'v8_linux64_heap_sandbox_dbg_ng': 'debug_x64_heap_sandbox',
+      'v8_linux64_minor_mc_dbg_ng': 'debug_x64_trybot',
       'v8_linux_arm64_sim_heap_sandbox_dbg_ng': 'debug_x64_heap_sandbox_arm64_sim',
       'v8_linux64_fyi_rel_ng': 'release_x64_test_features_trybot',
       'v8_linux64_nodcheck_rel_ng': 'release_x64',

infra/testing/builders.pyl

@@ -455,6 +455,15 @@
       {'name': 'v8testing', 'shards': 4},
     ],
   },
+  'v8_linux64_minor_mc_dbg_ng_triggered': {
+    'swarming_dimensions' : {
+      'cpu': 'x86-64-avx2',
+      'os': 'Ubuntu-18.04',
+    },
+    'tests': [
+      {'name': 'v8testing', 'variant': 'minor_mc'},
+    ],
+  },
   'v8_linux64_msan_rel_ng_triggered': {
     'swarming_dimensions' : {
       'os': 'Ubuntu-18.04',
@@ -1277,6 +1286,15 @@
       },
     ],
   },
+  'V8 Linux64 - minor mc - debug': {
+    'swarming_dimensions': {
+      'cpu': 'x86-64-avx2',
+      'os': 'Ubuntu-18.04',
+    },
+    'tests': [
+      {'name': 'v8testing', 'variant': 'minor_mc'},
+    ],
+  },
   'V8 Linux64 - disable runtime call stats': {
     'swarming_dimensions' : {
       'os': 'Ubuntu-18.04',