PR #16672 [4.2-04-30] Cherry-pick migrator changes

swift-api-digester: add an action to dump USRs for all decls in a header.

nkcsgexi committed 8 years ago

swift-api-digester: detect API changes due to undoing NS_TYPED_EXTENSIBLE_ENUM. rdar://39498127

nkcsgexi committed 8 years ago

swift-api-digester: print raw type names for raw representable API changes.

nkcsgexi committed 8 years ago

migrator: use raw type names from migration scripts instead of hard-coding them.

nkcsgexi committed 8 years ago

swift [4.2-04-30] Cherry-pick migrator changes #16672 Merged