Merge changes from topic "cherrypicker-L45200000958350315:N48800001332110545" into tm-qpr-dev

* changes:
  GD: Skip HciLayerTest that assert or block indefinitely
  Try to fix some LE test on qpr
  Switch to unified TestHciLayer for Scanning Manager
  Disable failing tests on mts
  Reenable net_test_stack_rfcomm
  Add all unit and device tests to TEST_MAPPING
  Introduce net_test_btif_hh
  Use common TestHciLayer
  Fix uninitialized memory in controller
  Fix controller test
  First pass at native tests failing on MTS runs
  Fix ControllerTest in QPR
  Ensure future are reset before being set
  GD: Use gtest ASSERT in SetCommandFuture
  gd: Cleanup up old test sources :BluetoothHciTestSources
  classic_acl_connection_test: Add unit tests
  GD: Skip LeImplTest that fail with NumberCachedCommands() != 3
  GD: Skip test failing due to broken LogCapture
  unit_test:le_impl part 2
  GD: Skip LeAddressManagerWithSingleClientTest tests that assert
  General clean up and fix flaky ABBA ABAB unit test