This seems to have gotten lost in the Karaf 4 migration.
see
https://wiki.opendaylight.org/view/Karaf_4_migration#.3Cconfigfile.3E
Change-Id: Id7c20c1daaaeb0844ef2278fe4931b24e7ef5b5d
Signed-off-by: Michael Vorburger <vorburger@redhat.com>
--- /dev/null
+<?xml version="1.0" encoding="UTF-8"?>
+<features name="odl-mdsal-trace-${project.version}" xmlns="http://karaf.apache.org/xmlns/features/v1.2.0">
+ <feature name="odl-mdsal-trace" version="${project.version}">
+ <configfile finalname="etc/opendaylight/datastore/initial/config/mdsaltrace_config.xml">mvn:org.opendaylight.controller/mdsal-trace-api/${project.version}/xml/config</configfile>
+ </feature>
+</features>