[ukm][v8] Add Wasm use counters to UKM

This enables a few use counters for Wasm features in UKM that still
have little adoption but whose development is interesting to monitor.

Namely, it adds
  - kV8WasmMultiMemory
  - kV8WasmMemory64
  - kV8WasmGC
  - kV8WebAssemblyJSStringBuiltins
  - kV8WasmJavaScriptPromiseIntegration
  - kV8WasmReturnCall
  - kV8WasmExnRef
  - kV8WasmExceptionHandling

Change-Id: I6a8b4fe17b878ee7dc2cc6d8cb6b9ca6ca90ce41
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/6187125
Auto-Submit: Emanuel Ziegler <ecmziegler@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Reviewed-by: Alexei Svitkine <asvitkine@chromium.org>
Commit-Queue: Alexei Svitkine <asvitkine@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1410323}