[APPROVAL] add-internal-build-tool-support-revised to master
[APPROVAL] INTERNAL review/bslint-add-internal-build-tool-support-drqs-40575735 to master

Base commit: a60b8ee5c3381feb9ccd65dcfc0e608d13580b53
[APPROVAL] INTERNAL review/repair-stdhdrs_epilogue_recursive-drqs-40635891 to master

Base commit: 32cd08b427fc944c6366fb8ae03f59000a3b4c2c
Add .arcconfig
[APPROVAL] review/add-internal-build-tool-support-revised to master
[APPROVAL] INTERNAL review/fix-omit-macro-use-in-bslstl_hash-drqs-40636011 to master

Base commit: d6bdff8d2d5ca96873fefd64ff27670ed8ffa78d
Update .arcconfig
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