tools: Add support for reading local OOB data from mgmt interface
lib: Add constant for secure connections support command
tools: Add support for enabling secure connections support
tools: Account for kernel with secure connections support in mgmt-tester
lib: Add structure for local OOB extended data information
tools: Show results for local OOB extended data
doc: Add documentation for BR/EDR Secure Connections support
android/pts: Add PTS test results for L2CAP
android: Convert libaudio-internal to a plugin

This convert the static library libaudio-internal.la to
audio.a2dp.default.so when building with autotools.
android: Convert libhal-internal to a plugin

This convert the static library libhal-internal.la to
bluetooth.default.la when building with autotools.
android: Load bluetooth.default.so as a module

This makes haltest and android-tester to load bluetooth.default.so
instead of linking directly to it.
android/haltest: Add support for loading Audio HAL

This makes audio.a2dp.default.so to be loaded by haltest.
emulator/bthost: Add support for enabling SSP mode
tools/mgmt-tester: Add support for runtime based HCI data checks
emulator: Add initial IO Capability Request sending when SSP is enabled
tools/mgmt-tester: Add support for enabling client side SSP
emulator/bthost: Track remote address in btconn
tools/bthost: Add dummy handler for HCI_Write_SSP_Mode completion
emulator: Add basic HCI_IO_Capability_Request_Reply handling
emulator/bthost: Add basic IO Capability Request & Response handling