Update test annotations due to removal of AnnotationAttributesReadingVisitor

Annotations are no longer required to be public when looked up via
ASM since 6.0 M1.

Author: sbrannen

spring-core/src/test/java/org/springframework/core/type/AbstractMethodMetadataTests.java

@@ -286,8 +286,7 @@ public static abstract class WithMetaAnnotation {
 	}
 
 	@Retention(RetentionPolicy.RUNTIME)
-	// Must be public. See AnnotationAttributesReadingVisitor.recursivelyCollectMetaAnnotations().
-	public @interface DirectAnnotation {
+	@interface DirectAnnotation {
 	}
 
 	@DirectAnnotation
@@ -323,8 +322,7 @@ public static abstract class WithMetaAnnotationAttributes {
 	}
 
 	@Retention(RetentionPolicy.RUNTIME)
-	// Must be public. See AnnotationAttributesReadingVisitor.recursivelyCollectMetaAnnotations().
-	public @interface AnnotationAttributes {
+	@interface AnnotationAttributes {
 
 		String name();