/usr/share/tomcat8/lib/ is in tomcat8-common 8.0.14-1+deb8u11.
This file is owned by root:root, with mode 0o755.
..
/usr/share/tomcat8/lib/annotations-api.jar
/usr/share/tomcat8/lib/catalina-ant.jar
/usr/share/tomcat8/lib/catalina-ha.jar
/usr/share/tomcat8/lib/catalina-storeconfig.jar
/usr/share/tomcat8/lib/catalina-tribes.jar
/usr/share/tomcat8/lib/catalina.jar
/usr/share/tomcat8/lib/commons-dbcp.jar
/usr/share/tomcat8/lib/commons-pool.jar
/usr/share/tomcat8/lib/el-api.jar
/usr/share/tomcat8/lib/jasper-el.jar
/usr/share/tomcat8/lib/jasper.jar
/usr/share/tomcat8/lib/jsp-api.jar
/usr/share/tomcat8/lib/servlet-api.jar
/usr/share/tomcat8/lib/tomcat-api.jar
/usr/share/tomcat8/lib/tomcat-coyote.jar
/usr/share/tomcat8/lib/tomcat-dbcp.jar
/usr/share/tomcat8/lib/tomcat-i18n-es.jar
/usr/share/tomcat8/lib/tomcat-i18n-fr.jar
/usr/share/tomcat8/lib/tomcat-i18n-ja.jar
/usr/share/tomcat8/lib/tomcat-jdbc.jar
/usr/share/tomcat8/lib/tomcat-jni.jar
/usr/share/tomcat8/lib/tomcat-spdy.jar
/usr/share/tomcat8/lib/tomcat-util-scan.jar
/usr/share/tomcat8/lib/tomcat-util.jar
/usr/share/tomcat8/lib/tomcat-websocket.jar
/usr/share/tomcat8/lib/websocket-api.jar