Change Details

Rename the legacy `DOTGraphTraits{Module,}{Viewer,Printer}` to the corresponding `LegacyDOTGraphTraits...`, and implement a new `DOTGraphTraitsViewer` with new pass manager.

Rename the legacy `DOTGraphTraits{Module,}{Viewer,Printer}` to the corresponding `DOTGraphTraits...WrapperPass`, and implement a new `DOTGraphTraitsViewer` with new pass manager.

Rename the legacy `DOTGraphTraits{Module,}{Viewer,Printer}` to the corresponding `Legacy`DOTGraphTraits...`WrapperPass`, and implement a new `DOTGraphTraitsViewer` with new pass manager.