primaryGPUIndex is being deprecated in favor of activeGPUIndex, which represends the expected index of the GPU used for graphics. Bug: angleproject:3383 Change-Id: I37f992adaf3716fc11e7f34b897c51c0148719cd Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1592055Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Jonah Ryan-Davis <jonahr@google.com>
