Avoid OOM on 32bit by iterating over files sequentially instead of stuffing them into async

--- src/third_party/devtools-frontend/src/scripts/build/compress_files.js.orig
+++ src/third_party/devtools-frontend/src/scripts/build/compress_files.js
@@ -75,7 +75,8 @@ async function main(argv) {
   const fileList = argv[fileListPosition + 1];
   const fileListContents = await readTextFile(fileList);
   const files = fileListContents.split(' ');
-  await Promise.all(files.map(filename => filename.trim()).map(compressFile));
+  for (i in files)
+    await compressFile(files[i].trim())
 }
 
 main(process.argv).catch(err => {