.kokoro/presubmit/linux.cfg in google-api-client-0.31.0 vs .kokoro/presubmit/linux.cfg in google-api-client-0.32.0

@@ -9,6 +9,16 @@
 }
 
 env_vars: {
     key: "TRAMPOLINE_BUILD_FILE"
     value: "github/google-api-ruby-client/.kokoro/build.sh"
-}
\ No newline at end of file
+}
+
+env_vars: {
+    key: "TRAMPOLINE_SCRIPT"
+    value: "trampoline_v1.py"
+}
+
+env_vars: {
+    key: "OS"
+    value: "linux"
+}