Move CLI options to a top-level class UiOptions

Remove the now-unused BlazeCommandEventHandler.

PiperOrigin-RevId: 259940495
diff --git a/src/test/java/com/google/devtools/build/lib/runtime/AbstractCommandTest.java b/src/test/java/com/google/devtools/build/lib/runtime/AbstractCommandTest.java
index 9fb518d..e84ec4b 100644
--- a/src/test/java/com/google/devtools/build/lib/runtime/AbstractCommandTest.java
+++ b/src/test/java/com/google/devtools/build/lib/runtime/AbstractCommandTest.java
@@ -132,7 +132,7 @@
   private Collection<Class<?>> optionClassesWithDefault(Class<?>... optionClasses) {
     List<Class<?>> result = new ArrayList<>();
     Collections.addAll(result, optionClasses);
-    result.add(BlazeCommandEventHandler.Options.class);
+    result.add(UiOptions.class);
     result.add(CommonCommandOptions.class);
     result.add(ClientOptions.class);
     result.add(StarlarkSemanticsOptions.class);