Adding latency_unittests to run on trybots.

testing/buildbot/chromium.android.fyi.json

Index: testing/buildbot/chromium.android.fyi.json
diff --git a/testing/buildbot/chromium.android.fyi.json b/testing/buildbot/chromium.android.fyi.json
index 6df5157cf764ebd352388451f55417a7712f9114..3e3ac015f8368030fda1d3aeaebeb0563dc99501 100644
--- a/testing/buildbot/chromium.android.fyi.json
+++ b/testing/buildbot/chromium.android.fyi.json
@@ -78,6 +78,9 @@
         "test": "ipc_tests"
       },
       {
+        "test": "latency_unittests"
+      },
+      {
         "test": "media_unittests"
       },
       {
@@ -177,6 +180,9 @@
         "test": "ipc_tests"
       },
       {
+        "test": "latency_unittests"
+      },
+      {
         "test": "media_unittests"
       },
       {
@@ -555,6 +561,21 @@
         "test": "ipc_tests"
       },
       {
+        "override_isolate_target": "latency_unittests",
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "dimension_sets": [
+            {
+              "android_devices": "1",
+              "device_os": "LMY47W",
+              "device_type": "sprout"
+            }
+          ],
+          "expiration": 14400
+        },
+        "test": "latency_unittests"
+      },
+      {
         "override_isolate_target": "media_unittests",
         "swarming": {
           "can_use_on_swarming_builders": true,