Tested with several apps that can't be captured otherwise.

Bug: angleproject:3611
Change-Id: I2ad18c3bfcab48b0b385b2a868f57369c292b602
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1998838Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Cody Northrop <cnorthrop@google.com>