Swarm all tests on the GN win/clang bot that are swarmed on the clang/win gyp bots.

testing/buildbot/chromium.fyi.json

Index: testing/buildbot/chromium.fyi.json
diff --git a/testing/buildbot/chromium.fyi.json b/testing/buildbot/chromium.fyi.json
index 5d0f6fdc9155db40f88ebae69caa01428a11049b..45ae210bc06efdb08ed9389bdba69e040b0d6119 100644
--- a/testing/buildbot/chromium.fyi.json
+++ b/testing/buildbot/chromium.fyi.json
@@ -4238,6 +4238,9 @@
         "test": "angle_unittests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "base_unittests"
       },
       {
@@ -4253,6 +4256,10 @@
         "test": "blink_platform_unittests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true,
+          "shards": 10
+        },
         "test": "browser_tests"
       },
       {
@@ -4271,15 +4278,27 @@
         "test": "components_unittests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "content_browsertests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "content_unittests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "courgette_unittests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "crypto_unittests"
       },
       {
@@ -4322,6 +4341,9 @@
         "test": "midi_unittests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "net_unittests"
       },
       {
@@ -4361,6 +4383,9 @@
         "test": "ui_base_unittests"
       },
       {
+        "swarming": {
+          "can_use_on_swarming_builders": true
+        },
         "test": "unit_tests"
       },
       {