Fix file ownership issues for self-hosted runners. (#141)

src/model/build-parameters.js

@@ -1,3 +1,4 @@
+import os from 'os';
 import AndroidVersioning from './android-versioning';
 import Input from './input';
 import Platform from './platform';
@@ -20,8 +21,12 @@ class BuildParameters {
       Input.androidVersionCode,
     );
 
+    const { uid, gid } = os.userInfo();
+
     return {
       version: Input.unityVersion,
+      uid,
+      gid,
       runnerTempPath: process.env.RUNNER_TEMP,
       platform: Input.targetPlatform,
       projectPath: Input.projectPath,