Add linux_blink_oilpan_rel to the CQ by default.
Add linux_blink_oilpan_rel to the CQ by default.

Note that this actually means that the *non-Oilpan* build
configuration is going to be in the CQ now; Oilpan is
already the default, so we already have coverage for that.

R=phajdan.jr@chromium.org,haraken@chromium.org
BUG=553613

Review URL: https://codereview.chromium.org/1812043002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#382163}

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