Disable NV_framebuffer_blit during capture This extension is only available on ANGLE and Nvidia. Disabling the extension allows for a more portable trace. Test: Life is Strange MEC Bug: angleproject:7711 Change-Id: I11d941af97a504386a53a6ba7ac4008b1f4300a1 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3928208 Reviewed-by: Roman Lavrov <romanl@google.com> Commit-Queue: Cody Northrop <cnorthrop@google.com>