Fix JDK 11.0.2 javadoc
Fix JDK 11.0.2 javadoc

See https://github.com/gradle/gradle-private/issues/1784

This commit uses Java 11 api page as reference.

blindpirate/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,robinverduijn/gradle,gradle/gradle,gradle/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,robinverduijn/gradle,blindpirate/gradle,gradle/gradle,blindpirate/gradle,robinverduijn/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle,blindpirate/gradle,gradle/gradle,robinverduijn/gradle,gradle/gradle