This CL adds support for handling calls to C functions with arbitrary
signatures on the arm64 simulator. It adds infrastructure for
encoding the signature data from CallDescriptor and FunctionInfo
classes into a compact representation, stored in the simulator and
called EncodedCSignature.

Design doc:
https://docs.google.com/document/d/1ZxOF3GSyNmtU0C0YJvrsydPJj35W_tTJZymeXwfDxoI/edit

This CL is a follow up on the native support added in
https://chromium-review.googlesource.com/c/v8/v8/+/3182232
and is partially based on the previous attempt:
https://chromium-review.googlesource.com/c/v8/v8/+/2343072

Bug: chromium:1052746
Change-Id: I0991b47bd644b2fc2244c5eb923b085261f04765
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3060486
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#77744}