Make apex availability of PlatformProperties explicit

The availability to com.android.wifi was done implicitly using a baseline map in
build/soong/apex/apex.go. Make this explicit in Android.bp

Bug: 281077552
Test: m nothing
Change-Id: Ib9e981b932b1daaf34c4df51ae8be7c624afb58b
1 file changed
tree: 7c1e3fde47cd7669392412554752430b017a81d9
  1. srcs/
  2. CAR_OWNERS
  3. OWNERS