Log AttributionTag in WifiScanner

Log this information to help distinguish different callers that have the
same package name.

Bug: 288453750
Test: atest com.android.server.wifi
Change-Id: Ie3b29e63e8944ef471a24360b0d8138ef7ffb1da
Merged-In: Ie3b29e63e8944ef471a24360b0d8138ef7ffb1da
(cherry picked from commit 36210d1e48ce9a8fb88906e389be2c65d4a7aedb)
1 file changed