Add single-process-mash browser tests to FYI waterfall

The plan is to monitor the tests for flakiness before moving them to the
main chromium waterfall.

Bug: 874090
Change-Id: I2c0bddd189c89b5485d0e14a90afbf0eb5ac0e44
Reviewed-on: https://chromium-review.googlesource.com/1185637
Commit-Queue: Ryan Cui <rcui@chromium.org>
Reviewed-by: Scott Violet <sky@chromium.org>
Reviewed-by: James Cook <jamescook@chromium.org>
Cr-Commit-Position: refs/heads/master@{#586320}

testing/buildbot/chromium.fyi.json

@@ -1463,6 +1463,20 @@
         },
         "test": "browser_tests"
       },
+      {
+        "args": [
+          "--enable-features=SingleProcessMash",
+          "--override-use-software-gl-for-tests",
+          "--test-launcher-filter-file=../../testing/buildbot/filters/chromeos.single_process_mash.fyi.browser_tests.filter"
+        ],
+        "name": "single_process_mash_fyi_browser_tests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "hard_timeout": 1800,
+          "shards": 10
+        },
+        "test": "browser_tests"
+      },
       {
         "args": [
           "--enable-features=VizDisplayCompositor"

testing/buildbot/filters/BUILD.gn

@@ -23,6 +23,7 @@ source_set("browser_tests_filters") {
     "//testing/buildbot/filters/chromeos.mash.browser_tests.filter",
     "//testing/buildbot/filters/chromeos.mash.fyi.browser_tests.filter",
     "//testing/buildbot/filters/chromeos.single_process_mash.browser_tests.filter",
+    "//testing/buildbot/filters/chromeos.single_process_mash.fyi.browser_tests.filter",
     "//testing/buildbot/filters/mojo.fyi.network_browser_tests.filter",
     "//testing/buildbot/filters/webui_polymer2_browser_tests.filter",
     "//testing/buildbot/filters/webrtc_functional.browser_tests.filter",

testing/buildbot/test_suites.pyl

@@ -1822,6 +1822,21 @@
     },
   },
 
+  'single_process_mash_fyi_chromium_gtests': {
+    'single_process_mash_fyi_browser_tests': {
+      'test': 'browser_tests',
+      'args': [
+        '--enable-features=SingleProcessMash',
+        '--override-use-software-gl-for-tests',
+        '--test-launcher-filter-file=../../testing/buildbot/filters/chromeos.single_process_mash.fyi.browser_tests.filter',
+      ],
+      'swarming': {
+        'hard_timeout': 1800,
+        'shards': 10,
+      },
+    },
+  },
+
   # These can be folded into linux_chromeos_specific_gtests once we stop moving
   # tests around on the main waterfall.
   'mash_chromium_gtests' : {
@@ -2825,6 +2840,7 @@
   'mojo_chromiumos_fyi_gtests': [
     'aura_gtests',
     'mash_fyi_chromium_gtests',
+    'single_process_mash_fyi_chromium_gtests',
     'mojo_chromiumos_specific_gtests',
     'viz_gtests',
     'viz_non_android_fyi_gtests',