Support https for callback_reciever

Currently callback_reciever only supports http
This commit makes it support both http/https

Change-Id: I6a8a7001231b113516f8d256b23b2b84d994bbce
Signed-off-by: ecaiyanlinux <martin.c.yan@est.tech>
Issue-ID: NONRTRIC-268
diff --git a/test/cr/cert/cert.crt b/test/cr/cert/cert.crt
new file mode 100644
index 0000000..a24dfc4
--- /dev/null
+++ b/test/cr/cert/cert.crt
@@ -0,0 +1,16 @@
+-----BEGIN CERTIFICATE-----
+MIICljCCAX4CCQCv7SV/aTc/YjANBgkqhkiG9w0BAQsFADANMQswCQYDVQQGEwJT
+RTAeFw0yMDA1MDMwMDI0MzdaFw00NzA5MTgwMDI0MzdaMA0xCzAJBgNVBAYTAlNF
+MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApsGQcCv+Ce/+AbHx+3Wu
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+oaTTvmE/vRPlmbSX1U7mo/SvMWNPZkKUPDltyapOpBltfMiRJH4ndLOXJWRgmYha
+SQIDAQABMA0GCSqGSIb3DQEBCwUAA4IBAQAdAwQpntpgUWUxCTk/Pw2+w5v+VxMM
+K6QWhm9JdRn3XKQnKrFexVRso/x8TA8V50EUGwQwbnKApNXvJsV2jvbP/YwDsG2u
+jBxs0DSspjDvbhUTkuWNYufQZIUGYMyccHap+CKD4rD2loMkmwbh5rII3SGEzUFE
+rOY4VhqDjGCcILbChiY/QMA6Uyb6jLGxTARhgblWi9RWr9LuKv7raaUcnAIz1GO8
+z559kUnOKbsB46RZKRa0uIumz9qqXqxnVLWnIwT3DinpXsnzcPqNyyhTk6XR+W5o
+0AuUCyT1WKlejrfMmmV6hRNHbT4x7cQrx4EjNf5hM00mN++F+QdGMa/G
+-----END CERTIFICATE-----