Display the names of changed options when dropping the analysis cache.

Fixes #6548.

RELNOTES: The --max_config_changes_to_show option lists the names of options which
have changed and thus caused the analysis cache to be dropped.
PiperOrigin-RevId: 221484212
diff --git a/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java b/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java
index 7a05200..d0dbde1 100644
--- a/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java
+++ b/src/main/java/com/google/devtools/build/lib/analysis/BuildView.java
@@ -251,7 +251,8 @@
       }
     }
 
-    skyframeBuildView.setConfigurations(eventHandler, configurations);
+    skyframeBuildView.setConfigurations(
+        eventHandler, configurations, viewOptions.maxConfigChangesToShow);
 
     if (configurations.getTargetConfigurations().size() == 1) {
       eventBus