[shill] split supplicant D-Bus interface into multiple files

With this change, the file layout for the supplicant D-Bus
interface mirros that of the flimflam D-Bus interface. (There
is one class per file.)

BUG=15174
TEST=build

Change-Id: I7af6de79bb1237f58771b19e13824a97f60a89f8
Reviewed-on: http://gerrit.chromium.org/gerrit/654
Reviewed-by: Chris Masone <cmasone@chromium.org>
Tested-by: mukesh agrawal <quiche@chromium.org>
diff --git a/supplicant-network.xml b/supplicant-network.xml
new file mode 100644
index 0000000..a337747
--- /dev/null
+++ b/supplicant-network.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0"?>
+<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
+	  "http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
+
+<node>
+  <interface name="fi.w1.wpa_supplicant1.Network">
+    <property name="Enabled" type="b" access="readwrite"/>
+    <property name="Properties" type="a{sv}" access="read"/>
+    <signal name="PropertiesChanged">
+      <arg name="properties" type="a{sv}"/>
+    </signal>
+  </interface>
+</node>
+