To support ANGLE for Android need a way to tell ANGLE what library to call when using GL backend. Bug: angleproject:2418 Test: test-opengl-gl2_copyTexImage Change-Id: Ie00251b0672a036db4720e1e5b269f66a30a03da Reviewed-on: https://chromium-review.googlesource.com/1066822 Commit-Queue: Courtney Goeltzenleuchter <courtneygo@google.com> Reviewed-by: Frank Henigman <fjhenigman@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>
