pls: Rename GL_DISABLED_ANGLE -> GL_DISABLE_ANGLE Match the other loadOps by using the imperative form. Bug: angleproject:7279 Change-Id: I9f3a33961f640ea5dff1da7dcea12517cfdcd461 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3741221 Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>