Reset identity context in STService

Middleware service uses binder identity to validate permissions.

For now, clear the binder identity before calling downwards.

In the future, remove this behavior in middleware service.

Test: AGSA starts recognition successfully
Bug: 269765333
Change-Id: Ie33ffbbb6d2aa84d3da9ec6f5f8af0ab3a12af75
1 file changed