And remove device/google/comet/Android.mk which is not needed any more with this change.
Bug: 372304751
Test: CIs
Test: lunch comet-trunk_staging-eng && m sensors.comet
Flag: EXEMPT refactor
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:e538262d285b41d25da5cfbb74721ab7009c6f21)
Merged-In: I1d8859d55ee086ca570dc253fb3cc93a754b7442
Change-Id: I1d8859d55ee086ca570dc253fb3cc93a754b7442