assemble_vintf: Add checkUnusedHals

Test: m framework_compatibility_matrix.xml device_manifest.xml
Bug: 65028233

Change-Id: I466c60573676e8bf3a0d8d97000c380bdfec4b58
Merged-In: I466c60573676e8bf3a0d8d97000c380bdfec4b58
2 files changed