power: Add POWER_HINT_CPU_BOOST and libhardware: Add power hint to set profile

    Ported to AOSPA from N5X CM11 Based by @AragaoAnderson

power: Add POWER_HINT_CPU_BOOST
 * New hint to support CPU boosting with a duration.

libhardware: Add power hint to set profile
 * A PowerHAL can implement support for this hint to receive
   power profile changes from the framework.

Change-Id: I0524fa3dfb6a99b3b79fbbaeef9b4cd3332a2bfa