Log the BAL hardened result if changed

To help identifying cases that are impacted by BAL hardening this change
is logging the BAL verdict for the case that the feature is enabled and
also if not, if the verdict is changed by the feature.

Test: atest BackgroundActivityLaunchTests
Change-Id: I7c4e510af7ab8fd8cc7039b9a9db43b8e773009e
Bug: 236231785