Fix compiling errors

Author: coeuvre

src/main/java/com/google/devtools/build/lib/actions/ActionExecutionContext.java

@@ -398,8 +398,7 @@ public ActionExecutionContext withMetadataHandler(MetadataHandler metadataHandle
         env,
         actionFileSystem,
         skyframeDepsResult,
-        nestedSetExpander,
-        syscalls);
+        nestedSetExpander);
   }
 
   /**

src/main/java/com/google/devtools/build/lib/exec/StandaloneTestStrategy.java

@@ -359,11 +359,6 @@ public ImmutableSet<TreeFileArtifact> getTreeArtifactChildren(SpecialArtifact tr
       return metadataHandler.getTreeArtifactChildren(treeArtifact);
     }
 
-    @Override
-    public TreeArtifactValue getTreeArtifactValue(SpecialArtifact treeArtifact) throws IOException {
-      return metadataHandler.getTreeArtifactValue(treeArtifact);
-    }
-
     @Override
     public void markOmitted(Artifact output) {
       metadataHandler.markOmitted(output);