such kind of activities, with an intent-filter action name equals to android.intent.action.MAIN:
is added by default to a fresh new android application created with android studio for instance.
With the current behavior of the rule, we raise an issue, because an intent-filter is defined (which exports the activity) and there is no permissions set on the activity. It's a FP because for the main activity, it's intended to have an exported activity without permissions otherwise the android system is not able to run the application.
We should not raise an issue for an activity component having an intent filter with an action name equals to android.intent.action.MAIN