[viewer] Add `disable_tint_symbol_renaming` option

This is a command-line option for Viewer, limited to the Graphite-Dawn
backend, that disables Tint's internal symbol-renaming pass on
cross-compiled WGSL code. Symbol renaming remains enabled by default.

Change-Id: If1f3c83522f0843d68ec5086412d55bc13f11da1
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/848736
Commit-Queue: Arman Uguray <armansito@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Jim Van Verth <jvanverth@google.com>
3 files changed