[MERGE] Update and rename launch ust app

Signed-off-by: David Goulet <dgoulet@efficios.com>
[HEAD MERGE] Multi session per UID 5 app streaming test

Signed-off-by: David Goulet <dgoulet@efficios.com>
[MERGE] fix streaming test

Signed-off-by: David Goulet <dgoulet@efficios.com>
[MERGE] update streaming test with launch app name

Signed-off-by: David Goulet <dgoulet@efficios.com>