/usr/lib/libreoffice/ is in libreoffice-java-common 1:5.1.2-0ubuntu1.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/libreoffice/program/classes/
/usr/lib/libreoffice/share/
/usr/lib/libreoffice/share/Scripts/
/usr/lib/libreoffice/share/Scripts/java/
/usr/lib/libreoffice/share/Scripts/java/MemoryUsage/
/usr/lib/libreoffice/program/
/usr/lib/libreoffice/share/Scripts/java/MemoryUsage/MemoryUsage.jar
/usr/lib/libreoffice/share/Scripts/java/MemoryUsage/parcel-descriptor.xml
/usr/lib/libreoffice/share/Scripts/java/MemoryUsage/MemoryUsage.java
/usr/lib/libreoffice/share/Scripts/java/Highlight/
/usr/lib/libreoffice/share/Scripts/java/Highlight/HighlightText.java
/usr/lib/libreoffice/share/Scripts/java/Highlight/parcel-descriptor.xml
/usr/lib/libreoffice/share/Scripts/java/Highlight/Highlight.jar
/usr/lib/libreoffice/share/Scripts/java/HelloWorld/
/usr/lib/libreoffice/share/Scripts/java/HelloWorld/HelloWorld.java
/usr/lib/libreoffice/share/Scripts/java/HelloWorld/HelloWorld.jar
/usr/lib/libreoffice/share/Scripts/java/HelloWorld/parcel-descriptor.xml
/usr/lib/libreoffice/program/classes/ScriptProviderForJava.jar
/usr/lib/libreoffice/program/classes/query.jar
/usr/lib/libreoffice/program/classes/unoil.jar
/usr/lib/libreoffice/program/classes/xmerge.jar
/usr/lib/libreoffice/program/classes/commonwizards.jar
/usr/lib/libreoffice/program/classes/XMergeBridge.jar
/usr/lib/libreoffice/program/classes/table.jar
/usr/lib/libreoffice/program/classes/ScriptFramework.jar
/usr/lib/libreoffice/program/classes/form.jar
/usr/lib/libreoffice/program/classes/report.jar
/usr/lib/libreoffice/program/classes/smoketest.jar