wifi: Add subfilters for android.hardware.wifi

Renaming android.hardware.wifi package also renames the various wifi
PackageManager feature flags. So, refine it to only match the HIDL
stubs.

Bug: 153697614
Test: Manual
a) Added a log to check for rtt, p2p, aware feature flags in Wifiservice
b) Returns false before the change.
c) Returns true with the change.
Test: Manual
dexdump and ensured that all the HIDL stubs are renamed.
Test: Device boots up and connects to wifi networks.
Test: Cts-Verifier aware RTT test does not fail immediately.
Wi-Fi Aware test --> Discovery with ranging --> Publish.
Change-Id: I43ac3195304a4bd2d8e725a4302eb4239290396f