Added support for SigV3 library. Update authorization header building logic to use adj_signing_id.
Added setAndroidFinalAttributionEnabled method to AdjustConfig to indicate if only final Android attribution is needed in attribution callback (by default attribution callback return intermediate attribution as well before final attribution if not enabled with this setter method).
adj_signing_id.setAndroidFinalAttributionEnabledmethod toAdjustConfigto indicate if only final Android attribution is needed in attribution callback (by default attribution callback return intermediate attribution as well before final attribution if not enabled with this setter method).