Add music data package for demo

Add music data package for demo

Existing AGL demo has music player App.  But it did not have demo data.
I found classic music provider that provide data by CC-BY-2.1-JP.
URL: https://andotowa.quu.cc/

This patch add music data to AGL demo IVI.

Bug-AGL: SPEC-5233

Change-Id: I360885bc827f9518b81cf5cd86e2e213a106b8bb
Signed-off-by: Naoto Yamaguchi <naoto.yamaguchi@aisin.co.jp>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl-demo/+/30184
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Tested-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
ci-image-boot-test: Jenkins Job builder account
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl-demo/+/30215