The -t tools in ninja fail if -j or -l are specified. So, autoninja.py
needs to watch for -t and omit -j and -l if it is noticed.

R=sebmarchand@chromium.org
BUG=740227

Change-Id: I1418193daeab154178d15be60ab09551bacaf3af
Reviewed-on: https://chromium-review.googlesource.com/563775Reviewed-by: Dirk Pranke <dpranke@chromium.org>
Commit-Queue: Bruce Dawson <brucedawson@chromium.org>