wpa_supplicant: Add support for 2 iface types

Add support for 2 iface/network types in Hidl Manager:

Changes in the CL:
1. Added separate map of callbacks & objects for each Iface/Network
type.
2. Added templated functions in hidl_manager.cpp to deal with these
additional types.

Bug: 32553421
Bug: 31497295
Test: Compiles
Change-Id: Ic27cd02c391b6e85afe30e809f7d7126f0c0e1ee
2 files changed