bts: Add TC_sacch_chan_act_ho_async + TC_sacch_chan_act_ho_sync

Those two new tests test the subtle rules related to how the presence
of certain IEs in the RSL CHAN ACT influence when exactly DL SACCH
transmission should start during hand-over related channel activation.

Change-Id: Ia88f3ab160891cdbbb8fa6e765f137edd04c6e81
Related: OS#3570
Related: OS#4008
Related: OS#4009
1 file changed