Increase visibility of a couple of things.

RELNOTES: None
PiperOrigin-RevId: 216362857
diff --git a/src/main/java/com/google/devtools/build/lib/query2/SkyQueryEnvironment.java b/src/main/java/com/google/devtools/build/lib/query2/SkyQueryEnvironment.java
index 3dca23f..c81febc 100644
--- a/src/main/java/com/google/devtools/build/lib/query2/SkyQueryEnvironment.java
+++ b/src/main/java/com/google/devtools/build/lib/query2/SkyQueryEnvironment.java
@@ -237,7 +237,7 @@
     return ImmutableSet.of(universeKey);
   }
 
-  private void beforeEvaluateQuery(QueryExpression expr)
+  protected void beforeEvaluateQuery(QueryExpression expr)
       throws QueryException, InterruptedException {
     Set<SkyKey> roots = getGraphRootsFromExpression(expr);