[WIFICOND][API] Simplify initialization sequence

Per API council request: rename 'initialize' to the only function
it (really) executed - setting up a death listener.

Bug: 148680192
Test: atest android.net.wifi
Test: atest com.android.server.wifi
Change-Id: I8293ee3cb5f02452e2f5c43bdd3f6843a16dc2b9
3 files changed
tree: 3ab709e10244d59bb0c511e47773873ca72f28e9
  1. apex/
  2. service/
  3. PREUPLOAD.cfg