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This is a reland of ae629163

Original change's description:
> viz: Fix FindLatestSurfaceUpTo when there is conflict
>
> The condition used in the binary search was wrong. Fixed it and added
> a unit test.
>
> Bug: 1000868
> Change-Id: Iaf4af1bdfdb88db1082bfae89a3783faed860934
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1800743
> Auto-Submit: Saman Sami <samans@chromium.org>
> Commit-Queue: Jonathan Ross <jonross@chromium.org>
> Reviewed-by: Jonathan Ross <jonross@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#696170}

TBR=jonross@chromium.org,samans@chromium.org

Bug: 1000868, 1015120
Change-Id: I2b793035cd689551217e23de5e43d0fd855cbf37
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2017945Reviewed-by: Nick Burris <nburris@chromium.org>
Commit-Queue: Nick Burris <nburris@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734663}