/usr/ is in libgles1-mesa-dev-lts-utopic 10.3.2-0ubuntu1~trusty2.
This file is owned by root:root, with mode 0o755.
..
/usr/lib/x86_64-linux-gnu/mesa-egl/
/usr/lib/x86_64-linux-gnu/pkgconfig/
/usr/share/
/usr/share/doc/
/usr/share/doc/libgles1-mesa-dev-lts-utopic/
/usr/share/doc/libgles1-mesa-dev-lts-utopic/copyright
/usr/share/bug/
/usr/share/bug/libgles1-mesa-dev-lts-utopic/
/usr/share/bug/libgles1-mesa-dev-lts-utopic/control
/usr/share/bug/libgles1-mesa-dev-lts-utopic/script
/usr/include/
/usr/include/GLES/
/usr/include/GLES/egl.h
/usr/include/GLES/gl.h
/usr/include/GLES/glplatform.h
/usr/include/GLES/glext.h
/usr/lib/
/usr/lib/x86_64-linux-gnu/
/usr/lib/x86_64-linux-gnu/pkgconfig/glesv1_cm.pc
/usr/share/doc/libgles1-mesa-dev-lts-utopic/changelog.Debian.gz
/usr/lib/x86_64-linux-gnu/libGLESv1_CM.so
/usr/lib/x86_64-linux-gnu/mesa-egl/libGLESv1_CM.so