Add new accessibility_unittests target to "try" and "fyi"

masters/master.chromium.fyi/master.cfg

Index: masters/master.chromium.fyi/master.cfg
diff --git a/masters/master.chromium.fyi/master.cfg b/masters/master.chromium.fyi/master.cfg
index d99b294ab02da65e15a9e80955133869f1a63033..0fe1d10db05d23de45969cb68729e023aa2f2a1c 100644
--- a/masters/master.chromium.fyi/master.cfg
+++ b/masters/master.chromium.fyi/master.cfg
@@ -274,6 +274,7 @@ c['schedulers'] = [s_chromium,
 
 # Tests that are single-machine shard-safe.
 sharded_tests = [
+  'accessibility_unittests',
   'aura_unittests',
   'base_unittests',
   'browser_tests',
@@ -660,7 +661,8 @@ f_chromium_linux_redux = linux().ChromiumFactory(
       'unit',
       'check_deps2git',
     ],
-    options=['base_unittests',
+    options=['accessibility_unittests',
+             'base_unittests',
              'cacheinvalidation_unittests',
              'content_unittests',
              'crypto_unittests',
@@ -775,6 +777,7 @@ f_chromium_rel_linux_tsan_v2 = linux().ChromiumFactory(
       '--compiler=goma-clang',
       '--build-tool=ninja',
       '--llvm-tsan',
+      'accessibility_unittests',
       'base_unittests',
       'browser_tests',
       'cacheinvalidation_unittests',
@@ -808,6 +811,7 @@ f_chromium_rel_linux_tsan_v2 = linux().ChromiumFactory(
                             'disable_nacl=1 '),
             'GYP_GENERATORS': 'ninja', }},
     tests=[
+      'accessibility_unittests',
       'base_unittests',
       'browser_tests',
       'cacheinvalidation_unittests',
@@ -897,8 +901,9 @@ f_chromium_rel_linux_tsan_rv = linux().ChromiumFactory(
            'tsan_rv_unit_1_of_2',
            'tsan_rv_unit_2_of_2',
            ],
-    options=['content_unittests',
+    options=['accessibility_unittests',
              'base_unittests',
+             'content_unittests',
              'crypto_unittests',
              'device_unittests',
              'ipc_tests',
@@ -1172,6 +1177,7 @@ f_chromium_codesearch_linux = codesearch().ChromiumCodesearchFactory(
     })
 
 linux_aura_options=[
+  'accessibility_unittests',
   'aura_builder',
   'base_unittests',
   'browser_tests',
@@ -1423,6 +1429,7 @@ f_chromium_mac_108_x64_tester_experimental = mac().ChromiumFactory(
     slave_type='Tester',
     target='Release',
     tests=[
+      'accessibility_unittests',
       'base_unittests',
       'browser_tests',
       'cacheinvalidation_unittests',
@@ -1499,6 +1506,7 @@ f_linux_arm_tests_panda = linux(nohooks_on_update=True).ChromiumFactory(
     target='Release',
     build_url=chromium_linux_arm_archive,
     tests=[
+      'accessibility_unittests',
       'base_unittests',
       'browser_tests',
       'cacheinvalidation_unittests',