Add mojo_shell to deploy_chrome
Add mojo_shell to deploy_chrome

We will want this binary deployed if it is present.

BUG=chromium:388412
TEST=patch into chromium/src/third_party/chromite and deploy_chrome. If mojo_shell is there, it'll get sync'd over. If not, the tool is happy anyway.

Change-Id: I1912db2db5c0486a54462c6ddc7379c811696ffb
Reviewed-on: https://chromium-review.googlesource.com/207584
Reviewed-by: Daniel Erat <69d56254d3d393520d06e9838c23c147a5fee7d9@chromium.org>
Commit-Queue: Chris Masone <98e3d65c6b0e9e2391eb4c2e8b1e572b77e544ed@chromium.org>
Tested-by: Chris Masone <98e3d65c6b0e9e2391eb4c2e8b1e572b77e544ed@chromium.org>

chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite,bpsinc-native/src_third_party_chromite,chadversary/chromiumos.chromite,bpsinc-native/src_third_party_chromite