WiX: add swiftToCxx content to the toolchain distribution

Include the `swiftToCxx` content as compiler resources for the Swift
compiler for the distribution.  This is part oft the C++ interop work.

Fixes: swiftlang/swift#63446

Author: compnerd

platforms/Windows/toolchain-amd64.wxs

@@ -72,6 +72,8 @@
                       </Directory>
                     </Directory>
                     <Directory Id="_usr_lib_swift" Name="swift">
+                      <Directory Id="_usr_lib_swift_swiftToCxx" Name="swiftToCxx">
+                      </Directory>
                       <Directory Id="_usr_lib_swift_migrator" Name="migrator">
                       </Directory>
                       <Directory Id="_usr_lib_swift_shims" Name="shims">
@@ -442,6 +444,16 @@
         <File Id="_InternalSwiftScan.modulemap" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\_InternalSwiftScan\module.modulemap" Checksum="yes" />
       </Component>
 
+      <Component Id="_SwiftCxxInteroperability.h" Directory="_usr_lib_swift_swiftToCxx" Guid="8c1ba49d-9d1e-4f40-8464-0d4126de6ce6">
+        <File Id="_SwiftCxxInteroperability.h" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\swiftToCxx\_SwiftCxxInteroperability.h" Checksum="yes" />
+      </Component>
+      <Component Id="_SwiftStdlibCxxOverlay.h" Directory="_usr_lib_swift_swiftToCxx" Guid="05d867e2-da43-49b1-8cf5-3b4daa76773c">
+        <File Id="_SwiftStdlibCxxOverlay.h" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\swiftToCxx\_SwiftStdlibCxxOverlay.h" Checksum="yes" />
+      </Component>
+      <Component Id="experimental-interoperability-version.json" Directory="_usr_lib_swift_swiftToCxx" Guid="e2bfde07-43b9-4fe6-9d4a-87d2412349b8">
+        <File Id="experimental-interoperability-version.json" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\swiftToCxx\experimental-interoperability-version.json" Checksum="yes" />
+      </Component>
+
       <Component Id="ios4.json" Directory="_usr_lib_swift_migrator" Guid="86db2678-9f8b-446e-bfbc-eb45e725420e">
         <File Id="ios4.json" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\migrator\ios4.json" Checksum="yes" />
       </Component>

platforms/Windows/toolchain-arm64.wxs

@@ -72,6 +72,8 @@
                       </Directory>
                     </Directory>
                     <Directory Id="_usr_lib_swift" Name="swift">
+                      <Directory Id="_usr_lib_swift_swiftToCxx" Name="swiftToCxx">
+                      </Directory>
                       <Directory Id="_usr_lib_swift_migrator" Name="migrator">
                       </Directory>
                       <Directory Id="_usr_lib_swift_shims" Name="shims">
@@ -442,6 +444,16 @@
         <File Id="_InternalSwiftScan.modulemap" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\_InternalSwiftScan\module.modulemap" Checksum="yes" />
       </Component>
 
+      <Component Id="_SwiftCxxInteroperability.h" Directory="_usr_lib_swift_swiftToCxx" Guid="8c1ba49d-9d1e-4f40-8464-0d4126de6ce6">
+        <File Id="_SwiftCxxInteroperability.h" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\swiftToCxx\_SwiftCxxInteroperability.h" Checksum="yes" />
+      </Component>
+      <Component Id="_SwiftStdlibCxxOverlay.h" Directory="_usr_lib_swift_swiftToCxx" Guid="05d867e2-da43-49b1-8cf5-3b4daa76773c">
+        <File Id="_SwiftStdlibCxxOverlay.h" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\swiftToCxx\_SwiftStdlibCxxOverlay.h" Checksum="yes" />
+      </Component>
+      <Component Id="experimental-interoperability-version.json" Directory="_usr_lib_swift_swiftToCxx" Guid="e2bfde07-43b9-4fe6-9d4a-87d2412349b8">
+        <File Id="experimental-interoperability-version.json" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\swiftToCxx\experimental-interoperability-version.json" Checksum="yes" />
+      </Component>
+
       <Component Id="ios4.json" Directory="_usr_lib_swift_migrator" Guid="86db2678-9f8b-446e-bfbc-eb45e725420e">
         <File Id="ios4.json" Source="$(var.TOOLCHAIN_ROOT)\usr\lib\swift\migrator\ios4.json" Checksum="yes" />
       </Component>