Fix Bazel breakage

--
MOS_MIGRATED_REVID=102835622
diff --git a/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java b/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java
index 18384c9..0ba0d79 100644
--- a/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java
+++ b/src/main/java/com/google/devtools/build/skyframe/ParallelEvaluator.java
@@ -16,7 +16,6 @@
 import com.google.common.base.Preconditions;
 import com.google.common.base.Predicate;
 import com.google.common.base.Predicates;
-import com.google.common.base.Receiver;
 import com.google.common.base.Supplier;
 import com.google.common.base.Suppliers;
 import com.google.common.base.Throwables;
@@ -117,6 +116,17 @@
       return state.getValue();
     }
   }
+  
+  /**
+   * An general interface for ParalleelEvaluator to receive objects of type T.
+   */
+  public interface Receiver<T> {
+    // TODO(dmarting): should we just make it a common object for all Bazel codebase?
+    /**
+     * Consumes the given object.
+     */
+    void accept(T object);
+  }
 
   private final ImmutableMap<? extends SkyFunctionName, ? extends SkyFunction> skyFunctions;