Disable ACG on x86-on-ARM64 systems.

BUG=977723

Change-Id: If2a239a2e5029eaf8449279a1c8abcd0e808a789
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1674603
Commit-Queue: Will Harris <wfh@chromium.org>
Reviewed-by: Robert Liao <robliao@chromium.org>
Cr-Original-Commit-Position: refs/heads/master@{#672170}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: ebae8c010c0b1d818651eeec6cd956ffa1782d89
1 file changed