/usr/lib/x86_64-linux-gnu/ is in libhybris-dev 0.1.0+git20151016+6d424c9-0ubuntu7.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/lib/x86_64-linux-gnu/pkgconfig/libnfc_nxp.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libsf.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libcamera.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/hybris-egl-platform.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libvibrator.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libis.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libwifi.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/libsync.pc
/usr/lib/x86_64-linux-gnu/pkgconfig/hwcomposer-egl.pc
/usr/lib/x86_64-linux-gnu/libhybris-hwcomposerwindow.so
/usr/lib/x86_64-linux-gnu/libsync.so
/usr/lib/x86_64-linux-gnu/libnfc_nxp.so
/usr/lib/x86_64-linux-gnu/libcamera.so
/usr/lib/x86_64-linux-gnu/libwifi.so
/usr/lib/x86_64-linux-gnu/libsf.so
/usr/lib/x86_64-linux-gnu/libvibrator.so
/usr/lib/x86_64-linux-gnu/libis.so
/usr/lib/x86_64-linux-gnu/libui.so
/usr/lib/x86_64-linux-gnu/libhybris-eglplatformcommon.so