Add slotId in INetworkService.aidl methods.

Since one Service can only return same binder to all connected
clients, we add slotId in INetworkService.aidl methods to redirect
requests to correct provider.

Bug: 64132030
Test: build
Change-Id: Iae5d81a689a43ed783d7dff0f51735c42a6483be
2 files changed