usr(systemd-dbus): add patch to allow users to use /etc/

sdk_container/src/third_party/coreos-overlay/sys-apps/dbus/files/dbus-1.6.12-add-explicit-etc-path.patch

@@ -0,0 +1,33 @@
+diff --git a/bus/session.conf.in b/bus/session.conf.in
+index e121ff9..f364887 100644
+--- a/bus/session.conf.in
++++ b/bus/session.conf.in
+@@ -28,10 +28,11 @@
+   <!-- Config files are placed here that among other things, 
+        further restrict the above policy for specific services. -->
+   <includedir>session.d</includedir>
++  <includedir>/etc/dbus-1/session.d</includedir>
+
+   <!-- This is included last so local configuration can override what's 
+        in this standard file -->
+-  <include ignore_missing="yes">session-local.conf</include>
++  <include ignore_missing="yes">/etc/dbus-1/session-local.conf</include>
+
+   <include if_selinux_enabled="yes" selinux_root_relative="yes">contexts/dbus_contexts</include>
+
+diff --git a/bus/system.conf.in b/bus/system.conf.in
+index 92f4cc4..1863a03 100644
+--- a/bus/system.conf.in
++++ b/bus/system.conf.in
+@@ -73,10 +73,11 @@
+   <!-- Config files are placed here that among other things, punch 
+        holes in the above policy for specific services. -->
+   <includedir>system.d</includedir>
++  <includedir>/etc/dbus-1/system.d</includedir>
+
+   <!-- This is included last so local configuration can override what's 
+        in this standard file -->
+-  <include ignore_missing="yes">system-local.conf</include>
++  <include ignore_missing="yes">/etc/dbus-1/system-local.conf</include>
+
+   <include if_selinux_enabled="yes" selinux_root_relative="yes">contexts/dbus_contexts</include>