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}"
     }
   ]
 }