Fix overflow in gl::ValidateES2TexImageParametersBase Bug: chromium:1222516 Change-Id: I532dc6e1c80c442af2c35d1facc262c48222def3 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2978251 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>