hidl2aidl: conversion of vts confirmationui hidl to aidl

Conversion of the vts confirmationui tests from hidl to aidl.

Bug: b/205760172
Test: run vts -m VtsHalConfirmationUIV1_0Target
Change-Id: I0af2ec46916d629dd3aace20c4858ffc7ad830e3
2 files changed