Including code built from restricted sources in a distribution medium
does not require sharing the code for building the distribution medium.
Test: m cts dist
Test: m cts dist gts (requires cherry-pick to internal)
Change-Id: I7fcd889b11a97f8deaf4de9d72fdadd09deebe30
Go's tooling expects that all files in the same package are in the
same directory. Move the policy/*.go files to policy_*.go.
Test: go test ./...
Change-Id: I7e81936ddd20a5ffb4770ae23bdb6e411d6924cc