libvk_swiftsahder.so was pulled on web_engine package after swiftshader
was enabled in Angle. We don't need it so it can be excluded.

This is a reland of
https://chromium-review.googlesource.com/c/angle/angle/+/18228630 .

Bug: fuchsia:37278
Change-Id: I4de8c7fe4706104791dfe5fc9b4e021db9f2948b
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1854883Reviewed-by: Jamie Madill <jmadill@chromium.org>
Commit-Queue: Jamie Madill <jmadill@chromium.org>