Fix AMD detection in angle_end2end_tests. Some Radeon cards in D3D11 would not report AMD or ATI in the Renderer string. Fix this by also checking for 'Radeon'. Bug: angleproject:2572 Change-Id: I866c3042e35448deff627efdb8e94fcbc68abf01 Reviewed-on: https://chromium-review.googlesource.com/1171363 Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>