Merge "Update comment about headTrackingSensorId" into main am: 42876b8011 am: 04a73fca69

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2896201

Change-Id: Ib358a6cbd417fde2e079b51911dfcde98a97baa1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>