EGLSurfacelessContextTest.Switcheroo/ES2_OpenGLES_NoFixture is
failing on NVIDIA Shield TV.

Bug: angleproject:4924
Change-Id: I4bd0744fd19cb3473cc654ede5870374506ddc46
TBR=jmadill@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2336189Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>