Wifi: Add ether_type to sending offloaded packet

This commit is part of the addition of the ether_type as an argument
to the legacy hal function to send an offloaded packet.
Files in this commit are to upadate the stub function for vendor
implementation.

Bug: 122487582
Test: Manual
Change-Id: Iafa40857bb2299ee1037cd5871bbae8d15093e24
1 file changed