View transition layered capture: capture borders separately
The border shorthand property is insufficient when the borders are
uneven.
Bug: 373759981
Change-Id: I06a6a99145c6ff06a4fe78cb738327adbe4db2f1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5946903
Commit-Queue: Noam Rosenthal nrosenthal@chromium.org
Reviewed-by: Khushal Sagar khushalsagar@chromium.org
Cr-Commit-Position: refs/heads/main@{#1372116}