Use new event type in BLE scan

Right now new event_type in scan result is translated to legacy
one and used through whole stack. This patch make use of new event_type
through whole stack instead.

Bug: 30622771
Test: sl4a FilteringTest
Change-Id: I7420c040b8c54fae00262c939bcabc6c6fcb16e6
diff --git a/bta/include/bta_api.h b/bta/include/bta_api.h
index c1cfa8c..da1d352 100644
--- a/bta/include/bta_api.h
+++ b/bta/include/bta_api.h
@@ -730,7 +730,7 @@
   uint8_t* p_eir;  /* received EIR */
   uint8_t inq_result_type;
   uint8_t ble_addr_type;
-  tBTM_BLE_EVT_TYPE ble_evt_type;
+  uint16_t ble_evt_type;
   tBT_DEVICE_TYPE device_type;
   uint8_t flag;
 } tBTA_DM_INQ_RES;