Previously it was enabled by default in every build that includes D3D11. This would impact CPU overhead in Chrome and other targets that don't need this feature. Bug: angleproject:5828 Change-Id: Ic9d700847c72978540b66fdaf7a62f959779f2e6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2809855Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Doug Horn <doughorn@google.com> Commit-Queue: Jamie Madill <jmadill@chromium.org>
