8176045: No compile error when a package is not declared Summary: Fixing handling of otherwise empty files with package clauses and empty files without package clauses. Reviewed-by: jjg

8175057: module-info on patch path should not produce an error Summary: Allowing module-infos on patch paths during compilation. Reviewed-by: jjg, ksrini

8176539: javadoc ignores module-info files on the command line Reviewed-by: jjg

8175219: javadoc should exit when it encounters compilation errors. Reviewed-by: jjg, bpatel