[ADI][5/N] Use synchronous interface for report* methods

We still want to be able to throw an exception to the client if the
reporting has failed (e.g., if the session has already been finished).
Therefore, changing these methods to be synchronous.

FLAG: android.content.pm.verification_service

BUG: 360129657

Test: atest CtsPackageManagerTestCases:VerifierServiceTest

Reverted changes: /q/submissionid:30469933-revert_verification_service_main

Merged-In: I2f69ec8dbda56357c82745ef60c60fac96fc2c8e
Change-Id: I2f69ec8dbda56357c82745ef60c60fac96fc2c8e