Add target to mojom template that generates all bindings headers.

The change should address random build failures of missing mojo
bindings generated headers on targets that cannot depend on bindings
code directly but need to use it.

Extra: Add missing deps to blink scheduler test_support target.

Bug: 852558
Change-Id: Ib0e3be23093dcda6629f6f8d0149d9d5a57bac07
Reviewed-on: https://chromium-review.googlesource.com/1151301
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Marijn Kruisselbrink <mek@chromium.org>
Reviewed-by: Ken Rockot <rockot@chromium.org>
Reviewed-by: Alexander Timin <altimin@chromium.org>
Commit-Queue: Marek Haranczyk <mharanczyk@opera.com>
Cr-Commit-Position: refs/heads/master@{#582874}
6 files changed