Bump brouter from `23c8123` to `f9c6ad1`

Bumps brouter from 23c8123 to f9c6ad1.

Commits

• f9c6ad1 Merge pull request #711 from jmizv/master
• 9dcb7ca Merge pull request #713 from afischerdev/car-712
• 928bd0e preparing for version 1.7.6
• 77e9bd3 keep btools classes in proguard
• 2b3bbca Added port mapping for docker run command
• 6c69e9c Merge pull request #707 from afischerdev/new-apk
• 8f50671 Preparing for version 1.7.5
• e011343 Merge pull request #705 from afischerdev/new-apk
• 2a77f71 updated doc
• 646f805 protect exception
• Additional commits viewable in compare view

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