AE: Create periodic sync behavior
The following diagram and table is generated from the following state tables:
| Transition ID | Event | Action |
| 1 | DM_SYNC_MSG_API_START | DM_SYNC_SM_ACT_START |
| 2 | DM_SYNC_MSG_API_STOP | DM_SYNC_SM_ACT_NONE |
| DM_SYNC_MSG_HCI_LE_SYNC_EST_FAIL | DM_SYNC_SM_ACT_NONE |
| DM_SYNC_MSG_HCI_LE_SYNC_EST | DM_SYNC_SM_ACT_NONE |
| 3 | DM_SYNC_MSG_API_START | DM_SYNC_SM_ACT_NONE |
| 4 | DM_SYNC_MSG_HCI_LE_SYNC_EST | DM_SYNC_SM_ACT_SYNC_EST |
| 5 | DM_SYNC_MSG_HCI_LE_SYNC_EST_FAIL | DM_SYNC_SM_ACT_SYNC_FAILED |
| 6 | DM_SYNC_MSG_API_STOP | DM_SYNC_SM_ACT_CANCEL_START |
| 7 | DM_SYNC_MSG_API_START | DM_SYNC_SM_ACT_NONE |
| DM_SYNC_MSG_HCI_LE_SYNC_EST_FAIL | DM_SYNC_SM_ACT_NONE |
| DM_SYNC_MSG_HCI_LE_SYNC_EST | DM_SYNC_SM_ACT_NONE |
| 8 | DM_SYNC_MSG_API_STOP | DM_SYNC_SM_ACT_STOP |
| 9 | DM_SYNC_MSG_HCI_LE_SYNC_EST_FAIL | DM_SYNC_SM_ACT_SYNC_FAILED |
| 10 | DM_SYNC_MSG_API_START | DM_SYNC_SM_ACT_NONE |
| DM_SYNC_MSG_API_STOP | DM_SYNC_SM_ACT_NONE |
| DM_SYNC_MSG_HCI_LE_SYNC_EST | DM_SYNC_SM_ACT_STOP |