tests: bsim: Bluetooth: Workaround overlapping ACL in BAP BASS test

Workaround by using `-start_offset` to ensure that the ACL
established does not overlap the sink being established.

Relates to commit 490da9e ("tests: bsim: Bluetooth:
Workaround overlapping ACL in BAP broadcast sink").

Signed-off-by: Vinayak Kariappa Chettimada <[email protected]>

Author: cvinayak

tests/bsim/bluetooth/audio/test_scripts/bap_bass_client_sync.sh

@@ -22,9 +22,9 @@ Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_audio_prj_conf \
   -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=1 \
   -testid=bap_broadcast_assistant_client_sync -RealEncryption=1 -rs=46 -D=3
 
-  Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_audio_prj_conf \
+Execute ./bs_${BOARD_TS}_tests_bsim_bluetooth_audio_prj_conf \
   -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -d=2 -testid=bass_broadcaster \
-  -RealEncryption=1 -rs=69 -D=3
+  -RealEncryption=1 -rs=69 -D=3 -start_offset=2e3
 
 # Simulation time should be larger than the WAIT_TIME in common.h
 Execute ./bs_2G4_phy_v1 -v=${VERBOSITY_LEVEL} -s=${SIMULATION_ID} -D=3 \