[automerger] Decoder: Modify setting short term reference field flag am: 47cc04b40c am: 1991ec77e7 am: c18d0ab03a am: 8f05a87c39 am: ce46d15877 am: 8781a2aa9b

Change-Id: Iee68471f672970bf11e1066da18be4208d87c595