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This is a reland of 3bc3b8b6
Original change's description:
> [vr] Measure text render speed in GTest
> 
> This change also adds a new target for performance tests in VR
> and a target for dependencies shared among vr test targets.
> 
> Bug: 772551, 774636
> Change-Id: I7de0cd8a5fcba3e71358625c1f3ebfb9bab49fba
> Reviewed-on: https://chromium-review.googlesource.com/703690
> Commit-Queue: Tibor Goldschwendt <tiborg@chromium.org>
> Reviewed-by: Scott Violet <sky@chromium.org>
> Reviewed-by: Ian Vollick <vollick@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#509419}

TBR=vollick@chromium.org,sky@chromium.org,leilei@chromium.org,cjgrant@chromium.org,tiborg@chromium.org

Bug: 772551, 774636
Change-Id: I833e6dba30885fb7a902ac222614e8ab97f9f874
Reviewed-on: https://chromium-review.googlesource.com/723726
Commit-Queue: Tibor Goldschwendt <tiborg@chromium.org>
Reviewed-by: Tibor Goldschwendt <tiborg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#509500}