Change Yaml to Json payload

Change the operational policy payload from Yaml to a JSon, yaml being
embedded as URLEncoded

Issue-ID: CLAMP-359
Change-Id: I8c97bb155e6136ce37c29a65a7d9d85e21fedd61
Signed-off-by: sebdet <sebastien.determe@intl.att.com>
diff --git a/src/main/resources/clds/camel/routes/flexible-flow.xml b/src/main/resources/clds/camel/routes/flexible-flow.xml
index 9ba0307..9874d05 100644
--- a/src/main/resources/clds/camel/routes/flexible-flow.xml
+++ b/src/main/resources/clds/camel/routes/flexible-flow.xml
@@ -210,7 +210,7 @@
 				<constant>POST</constant>
 			</setHeader>
 			<setHeader headerName="Content-Type">
-				<constant>application/yaml; vnd.onap.operational</constant>
+				<constant>application/json</constant>
 			</setHeader>
 			<setHeader headerName="X-ONAP-RequestID">
 				<simple>${exchangeProperty[X-ONAP-RequestID]}