TextureRectangleTest.TexStorage2D and TextureRectangleTest.TexImage2D
failed on NVIDIA Quadro P400, previously disabled on Linux.

BUG=angleproject:2122
TBR=cwallez@chromium.org

Change-Id: I471dc040ed51a0e4588cfaab7d1c4c46e69932d5
Reviewed-on: https://chromium-review.googlesource.com/602779Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Commit-Queue: Yuly Novikov <ynovikov@chromium.org>