Remove packet type and dst mac when sending raw packet

This is now derived from the passed packet data by
NetworkStack.

Test: m connectivity_multi_devices_snippet && \
      atest CtsConnectivityMultiDevicesTestCases:ConnectivityMultiDevicesTest
Test: atest NetworkStaticLibHostPythonTests
Bug: 335368434
Change-Id: Ida06c00e6f499b782cb903c9fa0a4154c2d8cf84
2 files changed