This CL adds:

a) FindEntry, Add, and Delete operations on SwissNameDictionary in
   Torque

b) Helpers needed for that on both the CSA and Torque side

Bug: v8:11330
Change-Id: I549b9039108217a34ec1e95af84eb28af7dfc9d3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2778175Reviewed-by: Igor Sheludko <ishell@chromium.org>
Commit-Queue: Frank Emrich <emrich@google.com>
Cr-Commit-Position: refs/heads/master@{#73674}