Bump brouter from `aa393ab` to `6330325`

Bumps brouter from aa393ab to 6330325.

Commits

• 6330325 Merge pull request #644 from afischerdev/srtm-gen
• 7b176b4 Merge pull request #678 from afischerdev/rework-voicehint
• 107a672 Merge pull request #677 from afischerdev/new-apk
• 7f880a5 Merge branch 'master' into rework-voicehint
• 28e6523 wrong last message in track #657
• e75adfb enabled raw track for test only
• dcc9719 added create elev image with diff colors
• 6e858b6 added app certificate fallback
• 526bb53 added create elev image
• See full diff in compare view

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