Ensure ValidateEGLImageTargetTexture2D entry point consistency Invalid calls must not reach the context. Bug: angleproject:406922380 Change-Id: Id546e54faac68d1b47b32df701ec00cd6fba1d6d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/6419042 Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>