Add more comments to arch.go

Make sure every exported function or type has a godoc comment.

Also makes minor changes like unexporting functions that are not used
outside the package and fixing minor style warnings.

Bug: 173449605
Test: m checkbuild
Change-Id: I533a595d02035aae8b2b603590be639826d2d4c8
This commit is contained in:
Colin Cross
2020-11-16 15:08:19 -08:00
parent b479459ac9
commit a684540945
5 changed files with 768 additions and 539 deletions

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