If LL_LT_SAP is already present and if STA tries to
come up on same mac, then it may result in data loss
on LL_LT_SAP as STA will need ROC on the connection
channel for some time, to avoid these data loss during
STA connection, add logic to switch the bearer for LL_LT_SAP
data to non-wlan and once connection completes, switch back
the bearer to wlan.
Change-Id: I7ace6c6f4f41548ec112882dc81be6c6b5a4eae0
CRs-Fixed: 3627656
Based on new requirement, add changes to send the vendor event
send audio transport switch request and also add changes to process
the response received as a vendor command.
Change-Id: I4b8804c9021ea8807ca785f81f3df431690029fb
CRs-Fixed: 3626954
Based on the new requirement, host driver needs to send the audio
transport switch request from host driver to user space, to
support this requirement, register os_if callback function with
bearer switch state machine
Change-Id: Ib94ff4d9876e79d984401262253602c975b0fb1e
CRs-Fixed: 3626952
