WifiServiceImpl: add flush to log messages

Some calls to flush() were missed for WifiLog calls.  Added those in.

(cherry picked from commit 61de17e406f28479d18dfec1516916c977ec3e19)

Bug: 73094025
Test: m javac-check-wifi-service RUN_ERROR_PRONE=true
Merged-In: I182eaded2b4a03aef5571e63a0f8d8f9621c8311
Change-Id: I182eaded2b4a03aef5571e63a0f8d8f9621c8311
1 file changed
tree: 28cf4a2a6ffa971938ee0f0248855cc3d3bc7176
  1. service/
  2. PREUPLOAD.cfg