Improve Javadoc for ContextCache#clearStatistics()

See gh-28795

Author: sbrannen

spring-test/src/main/java/org/springframework/test/context/cache/ContextCache.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2018 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -155,7 +155,8 @@ public interface ContextCache {
 	void clear();
 
 	/**
-	 * Clear hit-and-miss count statistics for the cache (i.e., reset counters to zero).
+	 * Clear {@linkplain #getHitCount() hit count} and {@linkplain #getMissCount()
+	 * miss count} statistics for the cache (i.e., reset counters to zero).
 	 */
 	void clearStatistics();