[dali_1.2.55] Merge branch 'devel/master'
[dali_1.2.55] Merge branch 'devel/master'

Change-Id: I244e61a888369a9c891eb095ed8abac23dd8f3bf

dalihub/dali-demo,dalihub/dali-demo,dalihub/dali-demo,dalihub/dali-demo