[DRAFT - DO NOT MERGE] Changes for SBFv3 #331

Job	Run time
abi-dump-setup	1m 24s
Test lld / Lit Tests (ubuntu-22.04)	10m 39s
Test lld / Lit Tests (windows-2019)	2m 3s
Test lld / Lit Tests (macOS-latest)	11m 28s
Build lldb / Lit Tests (ubuntu-22.04)	25m 41s
Build lldb / Lit Tests (windows-2019)	2m 2s
Build lldb / Lit Tests (macOS-latest)	19m 7s
Test llvm,clang,libclc / Lit Tests (ubuntu-22.04)	46m 30s
Test llvm,clang,libclc / Lit Tests (windows-2019)	2m 1s
Test llvm,clang,libclc / Lit Tests (macOS-latest)	57m 27s
abi-dump (build-baseline)	33m 47s
abi-dump (build-latest)	32m 19s
abi-compare	29s
	4h 4m 57s

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