Scroll title/artist text by manual in PlayerPage
Scroll title/artist text by manual in PlayerPage

Change-Id: I28afc228c7c5ce7dc754bd2e7ebbccc920f45e44
Reviewed-on: http://cr.qtquick.me/234
Tested-by: http://ci.qtquick.me/
Reviewed-by: Tasuku Suzuki <42980d970444f9101663582e70cd53623b3238b4@gmail.com>
Reviewed-by: Takahiro Hashimoto <b59128e2582a625f3a4337ede555b631692b1b94@qtquick.me>
Tested-by: Takahiro Hashimoto <b59128e2582a625f3a4337ede555b631692b1b94@qtquick.me>

qt-users-jp/qumoplayer,qt-users-jp/qumoplayer,qt-users-jp/qumoplayer