Merge changes Ib593cdbf,Iacad78dd,Iaa69c5ee,I8d86aa76,I19c56c8b, ... into pi-dev
* changes:
Add new tools for GATT and L2CAP.
Add new instructions for AVDTP and BNEP
Change access of libraries to Android bt libs
Add special attributes for Bluetooth libs
Add E2E tests for Bluetooth carkit testing
Change imports for ble_lib and add new function
Add new library for common adb shell commands.
Fix GattToolTest
Change gattc_lib to use common nomenclature
Return scan_callback when looking for generic addr
Change rfcomm_lib to use common nomenclature
Change bta_lib to use common nomenclature
Add additional instructions to GATT.