fuchsia: Enable swarming for net_unittests

Adds some deps/data_deps that weren't being included on Fuchsia.

Bug: 761182
Change-Id: I5d36d5c6cf7b7cc0527b8e95264d7feb016f6648
Reviewed-on: https://chromium-review.googlesource.com/673805Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Matt Menke <mmenke@chromium.org>
Commit-Queue: Scott Graham <scottmg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#503609}

net/BUILD.gn

@@ -5268,7 +5268,7 @@ test("net_unittests") {
     "third_party/nist-pkits/",
   ]
 
-  if (is_linux || is_mac || is_win) {
+  if (is_linux || is_mac || is_win || is_fuchsia) {
     deps += [
       "//third_party/pyftpdlib/",
       "//third_party/pywebsocket/",

testing/buildbot/chromium.fyi.json

@@ -12032,7 +12032,7 @@
           "--test-launcher-batch-limit=200"
         ],
         "swarming": {
-          "can_use_on_swarming_builders": false,
+          "can_use_on_swarming_builders": true,
           "dimension_sets": [
             {
               "kvm": "1"