[automerger skipped] Revert "Notify display brightness changed due to...

[automerger skipped] Revert "Notify display brightness changed due to brightness transforms" am: 74bbae30 -s ours am: 39b7e607 -s ours

am skip reason: Merged-In I0a3f805a7e70784d613825db1181f654c57de15d with SHA-1 d817f84a is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17061637

Change-Id: I6b72f91457785ab0240dbb44db343983fdf2ebc8