- New RelocInfo mode WASM_MEMORY_REFERENCE as a marker for wasm code objects that need to be relocated on a heap change
 - RelocInfo mode recorded for immediates that use the memory buffer as base
 - Tests to verify address patching works

BUG=

Review URL: https://codereview.chromium.org/1759873002

Cr-Commit-Position: refs/heads/master@{#34831}