nimble/controller: Don't build VS code if Android VS are not enabled
nimble/controller: Don't build VS code if Android VS are not enabled

There is no need for handling VS commands if none is required.

X-Original-Commit: 6b03aa6af9fa21c1d01cdc3fb56218e149da1606

apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble,apache/mynewt-nimble