Make the ProjectFileSupport stateless; pass in required parameter when called.

--
MOS_MIGRATED_REVID=118473491
diff --git a/src/main/java/com/google/devtools/build/lib/runtime/ProjectFile.java b/src/main/java/com/google/devtools/build/lib/runtime/ProjectFile.java
index d20c6e5..63505e9 100644
--- a/src/main/java/com/google/devtools/build/lib/runtime/ProjectFile.java
+++ b/src/main/java/com/google/devtools/build/lib/runtime/ProjectFile.java
@@ -39,7 +39,7 @@
      * Returns an (optionally cached) project file instance. If there is no such file, or if the
      * file cannot be parsed, then it throws an exception.
      */
-    ProjectFile getProjectFile(List<Path> packagePath, PathFragment path)
+    ProjectFile getProjectFile(Path workingDirectory, List<Path> packagePath, PathFragment path)
         throws AbruptExitException;
   }