Fix worng Capabilities setting

Fix worng Capabilities setting

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Jan 21 16:01:54 localhost systemd[4824]: emul-setup-audio-volume.service: Failed at step SECUREBITS spawning /usr/bin/amixer: Operation not permitted
Jan 21 16:01:54 localhost systemd[1]: emul-setup-audio-volume.service: Main process exited, code=exited, status=213/SECUREBITS
Jan 21 16:01:54 localhost systemd[1]: Failed to start Audio volume setup on emulator.
Jan 21 16:01:54 localhost systemd[1]: emul-setup-audio-volume.service: Unit entered failed state.
Jan 21 16:01:54 localhost systemd[1]: emul-setup-audio-volume.service: Failed with result 'exit-code'.
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Change-Id: Ieafd46038e37096ddfea0fe6a11d1781355ebb8c