[code coverage] Make linux-coverage-rel use the same gn args as linux-rel

In order to comprehensively evaluate the stability of
linux-coverage-rel, we need to make it use the same gn args as

Bug: 944657
Change-Id: Ib8db5a265cf7673eef316bb4c1cf793bebe602cc
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1584479
Reviewed-by: John Budorick <jbudorick@chromium.org>
Reviewed-by: Stephen Martinis <martiniss@chromium.org>
Commit-Queue: Yuke Liao <liaoyuke@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654297}
1 file changed