Add graph fetch Reason "WALKABLE_GRAPH_OTHER" to indicate we need all…

… node entry attributes for a walkable graph.

PiperOrigin-RevId: 378031048

src/main/java/com/google/devtools/build/skyframe/QueryableGraph.java

@@ -170,6 +170,9 @@ enum Reason {
     /** The node is being looked up to service {@link WalkableGraph#getValueAndRdeps}. */
     WALKABLE_GRAPH_VALUE_AND_RDEPS,
 
+    /** The node is being looked up to service another "graph lookup" function. */
+    WALKABLE_GRAPH_OTHER,
+
     /** Some other reason than one of the above that needs the node's value and deps. */
     OTHER_NEEDING_VALUE_AND_DEPS,
 
@@ -186,7 +189,8 @@ public boolean isWalkable() {
       return this == WALKABLE_GRAPH_VALUE
           || this == WALKABLE_GRAPH_DEPS
           || this == WALKABLE_GRAPH_RDEPS
-          || this == WALKABLE_GRAPH_VALUE_AND_RDEPS;
+          || this == WALKABLE_GRAPH_VALUE_AND_RDEPS
+          || this == WALKABLE_GRAPH_OTHER;
     }
   }