Fixed Enrollment issue

components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.api/src/main/java/org/wso2/carbon/mdm/services/android/services/DeviceTypeConfigurationService.java

@@ -78,7 +78,7 @@ public interface DeviceTypeConfigurationService {
 
     @GET
     @Path("license")
-    @Produces("text/html")
+    @Produces("text/plain")
     @ApiOperation(
             produces = MediaType.APPLICATION_JSON,
             httpMethod = "GET",

components/mobile-plugins/android-plugin/org.wso2.carbon.device.mgt.mobile.android.api/src/main/java/org/wso2/carbon/mdm/services/android/services/impl/DeviceTypeConfigurationServiceImpl.java

@@ -161,7 +161,7 @@ public class DeviceTypeConfigurationServiceImpl implements DeviceTypeConfigurati
 
     @GET
     @Path("license")
-    @Produces("text/html")
+    @Produces("text/plain")
     public Response getLicense() throws AndroidAgentException {
         License license = null;