[test] Add odroid trybots

TBR=sergiyb@chromium.org
NOTRY=true

Bug: v8:8207
Change-Id: Ic19cddc193e6a280f0f4f9289e1ab8f36f08e9c8
Reviewed-on: https://chromium-review.googlesource.com/1238216
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/master@{#56141}

infra/mb/mb_config.pyl

@@ -237,6 +237,7 @@
       'v8_linux64_tsan_isolates_rel_ng':
           'release_x64_tsan_minimal_symbols',
       'v8_linux64_ubsan_rel_ng': 'release_x64_ubsan_vptr_minimal_symbols',
+      'v8_odroid_arm_rel_ng': 'release_arm',
       # TODO(machenbach): Remove after switching to x64 on infra side.
       'v8_win_dbg': 'debug_x86_trybot',
       'v8_win_compile_dbg': 'debug_x86_trybot',

infra/testing/builders.pyl

@@ -329,6 +329,24 @@
     ],
   },
   ##############################################################################
+  # Odroids with native arm
+  'v8_odroid_arm_rel_ng_triggered': {
+    'swarming_dimensions' : {
+      'cores': '8',
+      'cpu': 'armv7l-32-ODROID-XU4',
+      'os': 'Ubuntu-16.04',
+    },
+    'swarming_task_attrs': {
+      # Use same prio as CI due to limited resources.
+      'priority': 25,
+    },
+    'tests': [
+      {'name': 'benchmarks'},
+      {'name': 'optimize_for_size'},
+      {'name': 'v8testing', 'shards': 2},
+    ],
+  },
+  ##############################################################################
   # Win32
   'v8_win_dbg': {
     'swarming_dimensions' : {