Fix getListener documentation

An ExtendedEventHandler is returned, not an EventHandler.

RELNOTES: None
PiperOrigin-RevId: 297446042
diff --git a/src/main/java/com/google/devtools/build/skyframe/SkyFunction.java b/src/main/java/com/google/devtools/build/skyframe/SkyFunction.java
index 4564a7f3..45b64ce 100644
--- a/src/main/java/com/google/devtools/build/skyframe/SkyFunction.java
+++ b/src/main/java/com/google/devtools/build/skyframe/SkyFunction.java
@@ -313,8 +313,8 @@
     boolean valuesMissing();
 
     /**
-     * Returns the {@link EventHandler} that a SkyFunction should use to print any errors, warnings,
-     * or progress messages during execution of {@link SkyFunction#compute}.
+     * Returns the {@link ExtendedEventHandler} that a SkyFunction should use to print any errors,
+     * warnings, or progress messages during execution of {@link SkyFunction#compute}.
      */
     ExtendedEventHandler getListener();