/usr/include/axis2-1.6.0/trust_util.h is in librampart-dev 1.3.0-1ubuntu5.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/include/axis2-1.6.0/../rampart-1.3.0/trust_util.h
/usr/include/axis2-1.6.0/../rampart-1.3.0/trust_util.h