Reworks in RttNative to facilitate HAL upgrade

This commit makes changes to make upgrading of HAL callback function
simpler. This is done via removing some functions from the inner class
used for handling callbacks.

Bug: 142898735
Test: atest android.net.wifi
Test: atest com.android.server.wifi
Change-Id: I41995074b63d4427946b681887d783acba806b66
1 file changed
tree: a63effc0c51ceac31d0ba54567e048edb0473766
  1. service/
  2. PREUPLOAD.cfg