wlan: add supported interfaces in rc file

Service vendor.wifi_hal_legacy should add all supported interface
into relevant .rc files.

Bug: 160377428
Test: Wifi presubmit tests
Change-Id: I68e8d3e7ddb1470a92c5ccd30f6d4d5f90ad9e37
Merged-In: I68e8d3e7ddb1470a92c5ccd30f6d4d5f90ad9e37
(cherry picked from commit ca7a8c95)