Change sleep time during unhandled exception handling

[0xnm]

What does this PR do?

This PR changes the sleep duration during unhandled exception handling to avoid having app hang reported (which has 100ms threshold by default).

Review checklist (to be filled by reviewers)

• [ ] Feature or bugfix MUST have appropriate tests (unit, integration, e2e)
• [ ] Make sure you discussed the feature or bugfix with the maintaining team in an Issue
• [ ] Make sure each commit and the PR mention the Issue number (cf the CONTRIBUTING doc)