Fix javadoc warnings

Fixes gh-19572

spring-boot-project/spring-boot-actuator/src/main/java/org/springframework/boot/actuate/metrics/AutoTimer.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -68,7 +68,7 @@ public interface AutoTimer {
 
 	/**
 	 * Factory method to create a new {@link Builder Timer.Builder} with auto-timer
-	 * settings {@link #apply(Builder) applied}.
+	 * settings {@link #apply(Timer.Builder) applied}.
 	 * @param name the name of the timer
 	 * @return a new builder instance with auto-settings applied
 	 */
@@ -78,7 +78,7 @@ public interface AutoTimer {
 
 	/**
 	 * Factory method to create a new {@link Builder Timer.Builder} with auto-timer
-	 * settings {@link #apply(Builder) applied}.
+	 * settings {@link #apply(Timer.Builder) applied}.
 	 * @param supplier the builder supplier
 	 * @return a new builder instance with auto-settings applied
 	 */

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/LazyInitializationExcludeFilter.java

 /*
- * Copyright 2012-2019 the original author or authors.
+ * Copyright 2012-2020 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.
@@ -29,13 +29,12 @@ import org.springframework.beans.factory.support.AbstractBeanDefinition;
  * beans). Adding an instance of this filter to the application context can be used for
  * these edge cases.
  * <p>
- * A typical example would be something like this:
- * <p>
- * <pre><code>
+ * A typical example would be something like this: <pre>
  * &#64;Bean
  * public static LazyInitializationExcludeFilter integrationLazyInitializationExcludeFilter() {
  *   return LazyInitializationExcludeFilter.forBeanTypes(IntegrationFlow.class);
- * }</code></pre>
+ * }
+ * </pre>
  * <p>
  * NOTE: Beans of this type will be instantiated very early in the spring application
  * lifecycle so they should generally be declared static and not have any dependencies.