Added arch and storage_account, needed by CIV to deploy the resources…

… without having to check for vhd uri regex.

The regex check is now not needed since we create other shared image metadata on the fly. Plus it was not a good solution for an upstream project, as the regex was only affecting our RH teams internally.

test/cases/azure.sh

@@ -219,9 +219,11 @@ tee "${TEMPDIR}/resource-file.json" <<EOF
   "instances": [
     {
       "vhd_uri": "${BLOB_URL}",
+      "arch": "${ARCH}",
       "location": "${AZURE_LOCATION}",
       "name": "${IMAGE_KEY}",
-      "hyper_v_generation": "${HYPER_V_GEN}"
+      "hyper_v_generation": "${HYPER_V_GEN}",
+      "storage_account": "${AZURE_STORAGE_ACCOUNT}"
     }
   ]
 }