Remove headroom selection type and move interval to support info

Bug: 346604998
API-Coverage-Bug: 378780498
Flag: android.os.cpu_gpu_headrooms
Test: atest HeadroomTest PerformanceHintNativeTestCases \
            HintManagerServiceTest PowerHalWrapperAidlTest
Change-Id: I04045bd177fef4dfeaf0dbbd41d3c3fa5631fdae
3 files changed