GL: Reset clip origin before scissored clears Clip origin must not affect scissor box but some drivers flip it for clear operations. Added capture/replay support for ClipControl. Bug: angleproject:8066 Change-Id: I9292cb4945b49c56c80da4c5813e89df3453b6b6 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4328267 Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>