tools/l2cap-tester: Add expected response data to nval PDU test
tools/l2cap-tester: Fix sending right req code in tests
tools/l2cap-tester: Add invalid CID server test case
tools/l2cap-tester: Add invalid config request server test
doc: Update supported A2DP version to 1.3
sdp: Check correct number of bytes received in recv

Instead of checking for error check that correct number of bytes received.
emulator: Remove redundant empty line
monitor: Add define for "Connection Failed To Be Established"
emulator: Add basic support for LE connections
tools/l2cap-tester: Fix using right hciemu type
emulator: Add basic advertise enable support for bthost
emulator: Add skeleton for LE meta event handler in bthost
emulator: Refactor bthost ACL connection tracking
emulator: Add LE Connection Complete handling to bthost
emulator: Add initial LE L2CAP signaling support to bthost
emulator/bthost: Pass full ACL connection context around
emulator/bthost: Use right CID for LE signaling
emulator/bthost: Track address type for connections
emulator/bthost: Fix ACL handle packing
emulator/bthost: Fix using correct address type for LE connections