This was wrongly configured originally, and has instead been modified to
follow the advice from
https://source.android.com/docs/core/architecture/aidl/aidl-hals#sepolicy.
Test: atest vts_treble_vintf_vendor_test:DeviceManifest/SingleAidlTest
Bug: 321867236
Change-Id: I75df4696660b2c052324313785b244c263ebd75b