Busy-wait for activity on getLaunchArgs()

[d4vidi]

Following the Android changes in Detox 20.14.0 -- we've seen some instabilities related to getting launch arguments, as explained.

This should introduce a fix similar to what's been done for react-native-launch-arguments.

TODO:

• [x] Implement
• [ ] Add e2e test that proves the fix works

UPDATE:

• There's reason to believe this could be an issue with just RN .71, specifically.

[stale[bot]]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.