Add mechanism to help manage multiple system perf hints from SysUI

- Users can request high perf sessions for transitions and interactions
  with specific hints for SurfaceFlinger or ADPF.
- Add injectable hinter on the Shell side for use within shell features

Bug: 300019131
Bug: 297385713
Test: SystemPerformanceHinterTests

Change-Id: I869689fc88106be9c55d8dd3243173f00749fc07