JDK-8303689 introduces a new `javac` lint warning to detect documentation comments in unusual places.

The warning detects issues in a number of modules, such that the warning is disabled in 23 make files:
make/GenerateLinkOptData.gmk
make/CompileDemos.gmk
make/CompileToolsJdk.gmk
make/modules/java.security.jgss/Java.gmk
make/modules/jdk.jfr/Java.gmk
make/modules/java.management/Java.gmk
make/modules/java.security.sasl/Java.gmk
make/modules/jdk.zipfs/Java.gmk
make/modules/java.xml/Java.gmk
make/modules/jdk.compiler/Java.gmk
make/modules/jdk.crypto.cryptoki/Java.gmk
make/modules/java.base/Java.gmk
make/modules/java.sql.rowset/Java.gmk
make/modules/java.naming/Java.gmk
make/modules/jdk.internal.le/Java.gmk
make/modules/jdk.security.auth/Java.gmk
make/modules/jdk.jdi/Java.gmk
make/modules/java.sql/Java.gmk
make/modules/jdk.accessibility/Java.gmk
make/modules/jdk.jshell/Java.gmk
make/modules/java.desktop/Java.gmk
make/modules/java.xml.crypto/Java.gmk
make/modules/jdk.internal.vm.ci/Java.gmk

This is an umbrella bug for individual issues to fix the comments and remove the corresponding entry from DISABLED_WARNINGS