Add android-oreo-arm64-rel trybot in chromium/src.

Bug: 765833
Change-Id: I77eca2d0668466df7074726ebfe78ab6bd53059f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1711043
Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Andrew Luo <aluo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#680218}
3 files changed