fix datastore project id

Author: chingor13

.kokoro/presubmit/logging-graalvm-native-presubmit.cfg

@@ -22,6 +22,11 @@ env_vars: {
   value: "gcloud-devel"
 }
 
+env_vars: {
+  key: "DATASTORE_PROJECT_ID"
+  value: "gcloud-devel"
+}
+
 env_vars: {
   key: "GOOGLE_APPLICATION_CREDENTIALS"
   value: "secret_manager/java-it-service-account"
@@ -32,11 +37,6 @@ env_vars: {
   value: "java-it-service-account"
 }
 
-env_vars: {
-  key: "IT_SERVICE_ACCOUNT_EMAIL"
-  value: "it-service-account@gcloud-devel.iam.gserviceaccount.com"
-}
-
 env_vars: {
   key: "BUILD_SUBDIR"
   value: "java-datastore"