head tracking processor: improve log am: f8a8526d am: 9dea6416

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/21085783



Change-Id: Ide1f886c76e10673a8f05674338606f66990e236
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>