Slight tweak to SkTHashMap natvis support

Previously, there was no way to look at the key (beyond the
DisplayString used in the tree), so for complex key types, this is
better.

No-Try: true
Change-Id: I44b44192dde13b3264f7e5114bf0bf933a4cdd97
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/329632
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Brian Osman <brianosman@google.com>
1 file changed