Const-ify btm_sco_conn_req::DEV_CLASS

Bug: 183476377
Test: gd/cert/run
Tag: #refactor
BYPASS_LONG_LINES_REASON: Bluetooth likes 120 lines

Change-Id: Iec78ab6a7b46837f9ab512d57b320b565d78f7cd

system/stack/btm/btm_sco.cc

@@ -588,7 +588,7 @@ void btm_sco_disc_chk_pend_for_modechange(uint16_t hci_handle) {
  * Returns          void
  *
  ******************************************************************************/
-void btm_sco_conn_req(const RawAddress& bda, DEV_CLASS dev_class,
+void btm_sco_conn_req(const RawAddress& bda, const DEV_CLASS dev_class,
                       uint8_t link_type) {
   tSCO_CB* p_sco = &btm_cb.sco_cb;
   tSCO_CONN* p = &p_sco->sco_db[0];

system/stack/include/sco_hci_link_interface.h

@@ -31,7 +31,7 @@ extern void btm_esco_proc_conn_chg(uint8_t status, uint16_t handle,
 extern bool btm_is_sco_active(uint16_t handle);
 extern void btm_sco_chk_pend_unpark(tHCI_STATUS hci_status,
                                     uint16_t hci_handle);
-extern void btm_sco_conn_req(const RawAddress& bda, DEV_CLASS dev_class,
+extern void btm_sco_conn_req(const RawAddress& bda, const DEV_CLASS dev_class,
                              uint8_t link_type);
 extern void btm_sco_connected(tHCI_STATUS hci_status, const RawAddress& bda,
                               uint16_t hci_handle, tBTM_ESCO_DATA* p_esco_data);