am 21b7e6de: am c831b978: Merge "Add isScreenBrightnessBoosted and a broadcast when underlying value changes." into lmp-mr1-modular-dev

* commit '21b7e6de94b1e4d0bbe2f1a13ac19f491ff466ed':
  Add isScreenBrightnessBoosted and a broadcast when underlying value changes.