cas: fix missing error code conversion

bug: 22804304
Change-Id: Ia950e12f7feef3eeb16596c0939aaeb61bfdf5df
diff --git a/cas/1.0/default/TypeConvert.cpp b/cas/1.0/default/TypeConvert.cpp
index de1f92b..cd0efdb 100644
--- a/cas/1.0/default/TypeConvert.cpp
+++ b/cas/1.0/default/TypeConvert.cpp
@@ -62,6 +62,9 @@
     case android::ERROR_CAS_DEVICE_REVOKED:
         status = Status::ERROR_CAS_DEVICE_REVOKED;
         break;
+    case android::ERROR_CAS_DECRYPT_UNIT_NOT_INITIALIZED:
+        status = Status::ERROR_CAS_DECRYPT_UNIT_NOT_INITIALIZED;
+        break;
     case android::ERROR_CAS_DECRYPT:
         status = Status::ERROR_CAS_DECRYPT;
         break;