experimental/editor: up,down preserves x-coordinate

Bug: skia:9020
Change-Id: I009dead2e47d4d7d27ea383697a28c7569ffeaac
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/234318
Reviewed-by: Ben Wagner <bungeman@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
1 file changed