audio/pulseaudio: update to 9.0

• Add xcb to USE_XORG, required by bin/pacat
• Add iconv to USES, required by bin/pacat
• Add ssl to USES and correct OPENSSL_CFLAGS and OPENSSL_LIBS
• Replace --disable-systemd with correct --disable-systemd-* configure arguments
• Move ALSA and JACK to AUDIO options group
• Move BASH and ZSH to COMPLETIONS options group
• Add DATABASE single option to be able to select supported database
• Add SIMPLE (database support) to default options
• Silence mkdir
• Replace files/patch-src_daemon_default.pa.in with sed patch
• Adapt pkg-plist

Changes: https://www.freedesktop.org/wiki/Software/PulseAudio/Notes/9.0/
ABI: https://abi-laboratory.pro/tracker/timeline/pulseaudio/
PR: 210548
Submitted by: lightside@gmx.com
Approved by: maintainer timeout (4 months)