Reapply "Pretty Printer: Fix printing of conversion operator decls and calls."

There were many additional tests that had the bad behavior baked in.

llvm-svn: 202174
diff --git a/clang/lib/AST/DeclarationName.cpp b/clang/lib/AST/DeclarationName.cpp
index e5019ab..f9041c0 100644
--- a/clang/lib/AST/DeclarationName.cpp
+++ b/clang/lib/AST/DeclarationName.cpp
@@ -191,6 +191,7 @@
       return OS << *Rec->getDecl();
     LangOptions LO;
     LO.CPlusPlus = true;
+    LO.Bool = true;
     return OS << Type.getAsString(PrintingPolicy(LO));
   }
   case DeclarationName::CXXUsingDirective:
@@ -546,6 +547,7 @@
         OS << "operator ";
       LangOptions LO;
       LO.CPlusPlus = true;
+      LO.Bool = true;
       OS << TInfo->getType().getAsString(PrintingPolicy(LO));
     } else
       OS << Name;