We collected startup traces from a small % of users. Some traces have really long startup. This bug is filed based on the traces and we do not have repro steps.

See report:
https://crash.corp.google.com/browse?q=reportid=%276f5b421cb5f4f1b1%27#6

It looks like the function mentioned above blocks the main thread for long time. Blocking browser main thread for more than 5 seconds could cause Android to kill the application.