[automerger skipped] Add logging for WifiIsUnusable metric am: 68e9769a3b -s ours

am skip reason: Merged-In Ib5766f32b2662a857ad2083e194d5ec2f2892cbd with SHA-1 51f1dec4b0 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Wifi/+/24276752

Change-Id: I035a30cb2dfcebd2cb96121a0a9fbc778e0cd605
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>