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

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

Change-Id: I76088205be2a424a8663802f2ed66d2bed04e0aa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>