Merge branch 'tizen' into tizen_5.5_devel

Change-Id: Ieef3d703fd018d2d91713144eccf86e668031c47

diff --cc src/mm_player_gst.c
Simple merge

diff --cc src/mm_player_priv.c
Simple merge

diff --cc src/mm_player_streaming.c
Simple merge

diff --cc src/mm_player_utils.c
Simple merge