Map isolated and swarming Go binaries

As part of issue 894048 we'll probably unmap them and have another mean
to map the binaries, but in the meantime this is the first step towards
migrating to the Go binaries.

R=iannucci@chromium.org

Bug: 894045
Change-Id: I40c22997e8948a23a2a56e368b1cea55df0d5ab4
Reviewed-on: https://chromium-review.googlesource.com/c/1286748Reviewed-by: Robbie Iannucci <iannucci@chromium.org>
Commit-Queue: Marc-Antoine Ruel <maruel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#601292}

DEPS

@@ -391,6 +391,14 @@ deps = {
           'package': 'infra/tools/luci/isolate/${{platform}}',
           'version': 'git_revision:bc125484b8513898f17bc2501ac5e95330f44a3b',
         },
+        {
+          'package': 'infra/tools/luci/isolated/${{platform}}',
+          'version': 'git_revision:bc125484b8513898f17bc2501ac5e95330f44a3b',
+        },
+        {
+          'package': 'infra/tools/luci/swarming/${{platform}}',
+          'version': 'git_revision:bc125484b8513898f17bc2501ac5e95330f44a3b',
+        },
       ],
       'dep_type': 'cipd',
   },