Add dwp as a tool not a normal input to packaging actions.

Closes #13869.

PiperOrigin-RevId: 392474715

src/main/java/com/google/devtools/build/lib/rules/cpp/CcBinary.java

diff --git a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcBinary.java b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcBinary.java
index 5398f05..b43917b 100644
--- a/src/main/java/com/google/devtools/build/lib/rules/cpp/CcBinary.java
+++ b/src/main/java/com/google/devtools/build/lib/rules/cpp/CcBinary.java
@@ -1105,7 +1105,7 @@
     Packager packager = new Packager();
     packager
         .spawnAction
-        .addTransitiveInputs(dwpTools)
+        .addTransitiveTools(dwpTools)
         .setExecutable(toolchain.getToolPathFragment(Tool.DWP, ruleContext));
     return packager;
   }