[ReferenceTarget] Make property reflection test more thorough
Refactor reference target property reflection test so that it's easier
to stamp out more test cases. Test all permutations of potentially
reflecting element types as both the referencing and referenced
elements, for each reflecting IDL property.
Bug: 353748711
Change-Id: I10d24bfc82d87bc5e16969309d07478585b0423b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5807894
Commit-Queue: Dan Clark daniec@microsoft.com
Reviewed-by: Mason Freed masonf@chromium.org
Cr-Commit-Position: refs/heads/main@{#1346215}