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This is a reland of efe87dc0

Original issue was fixed in crrev.com/c/2584633
Locally tested Lacros can build with these gn args.

Original change's description:
> [Lacros] Use cfi and thin_lto for Lacros official build
>
> CFI and ThinLTO were disabled on the simple chrome workflow
> because they increase build time quite a bit.
> But for official build, then should be enabled.
>
> Bug: 1157567
> Change-Id: I33a9eac37221f31da9a6725b19992d5daded72dc
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2586085
> Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
> Reviewed-by: Sven Zheng <svenzheng@chromium.org>
> Commit-Queue: Sven Zheng <svenzheng@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#835956}

Bug: 1157567
Change-Id: Ib8d009f1e0e8efe8b8c3033086c9df4b6d596175
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2590075Reviewed-by: Yuke Liao <liaoyuke@chromium.org>
Commit-Queue: Sven Zheng <svenzheng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836791}