Adding latency_unittests to run on trybots.

testing/buildbot/chromium.memory.fyi.json

Index: testing/buildbot/chromium.memory.fyi.json
diff --git a/testing/buildbot/chromium.memory.fyi.json b/testing/buildbot/chromium.memory.fyi.json
index 830632d63b7f31137097a5c71736691079248d85..2c53a7351234b542e5564e43ef62bd975e0b875b 100644
--- a/testing/buildbot/chromium.memory.fyi.json
+++ b/testing/buildbot/chromium.memory.fyi.json
@@ -277,6 +277,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "latency_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "media_blink_unittests"
       },
       {
@@ -588,6 +594,12 @@
         "swarming": {
           "can_use_on_swarming_builders": true
         },
+        "test": "latency_unittests"
+      },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "media_blink_unittests"
       },
       {
@@ -1544,6 +1556,9 @@
       },
       {
         "test": "keyboard_unittests"
+      },
+      {
+        "test": "latency_unittests"
       }
     ]
   },