AIDL: Implement QoS SCS policy stub APIs am: c450e7b5d8 am: e509d2a501

Original change: https://googleplex-android-review.googlesource.com/c/platform/external/wpa_supplicant_8/+/22650217

Change-Id: Ida4dd6badf0f4cb610ff58dc0762d5b3528255b8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>