msc: fix inter-msc ho tests: do not attempt to send "*"

Recently, encryption testing was added to the inter-MSC HO test. Instead
of sending the chosenEncryptionAlgorithm from the receive-template side
forward the actual received one (rx "*" usually means tx is "omit").

Change-Id: Icae084cfd63d666f3b0778fade7ba558bd161a0f
1 file changed