Merge branch 'feature/btdm_bluedroid' into feature/btdm_a2dp

Merge branch 'feature/btdm_bluedroid' into feature/btdm_a2dp

# Conflicts:
#	components/bt/bluedroid/bta/sys/bta_sys_main.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_api.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_bld_ct.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_bld_tg.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_opt.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_pars_ct.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_pars_tg.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_sdp.c
#	components/bt/bluedroid/btc/profile/std/avrc/avrc_utils.c
#	components/bt/bluedroid/btc/profile/std/avrc/include/avrc_int.h
#	components/bt/bluedroid/btc/profile/std/include/avct_api.h
#	components/bt/bluedroid/btc/profile/std/include/avdt_api.h
#	components/bt/bluedroid/btc/profile/std/include/avdt_defs.h
#	components/bt/bluedroid/btc/profile/std/include/avdtc_api.h
#	components/bt/bluedroid/btc/profile/std/include/avrc_api.h
#	components/bt/bluedroid/btc/profile/std/include/avrc_defs.h
#	components/bt/bluedroid/gki/gki_buffer.c
#	components/bt/bluedroid/hci/hci_hal_h4.c
#	components/bt/bluedroid/hci/hci_layer.c
#	components/bt/bluedroid/hci/packet_fragmenter.c
#	components/bt/bluedroid/include/bt_trace.h
#	components/bt/bluedroid/osi/alarm.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_api.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_bld_ct.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_bld_tg.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_opt.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_pars_ct.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_pars_tg.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_sdp.c
#	components/bt/bluedroid/profiles/std/avrc/avrc_utils.c
#	components/bt/bluedroid/profiles/std/avrc/include/avrc_int.h
#	components/bt/bluedroid/profiles/std/include/avct_api.h
#	components/bt/bluedroid/profiles/std/include/avdt_api.h
#	components/bt/bluedroid/profiles/std/include/avdt_defs.h
#	components/bt/bluedroid/profiles/std/include/avdtc_api.h
#	components/bt/bluedroid/profiles/std/include/avrc_api.h
#	components/bt/bluedroid/profiles/std/include/avrc_defs.h
#	components/bt/bluedroid/stack/avdt/include/avdt_defs.h
#	components/bt/bluedroid/stack/avrc/avrc_api.c
#	components/bt/bluedroid/stack/avrc/avrc_bld_ct.c
#	components/bt/bluedroid/stack/avrc/avrc_bld_tg.c
#	components/bt/bluedroid/stack/avrc/avrc_opt.c
#	components/bt/bluedroid/stack/avrc/avrc_pars_ct.c
#	components/bt/bluedroid/stack/avrc/avrc_pars_tg.c
#	components/bt/bluedroid/stack/avrc/avrc_sdp.c
#	components/bt/bluedroid/stack/avrc/avrc_utils.c
#	components/bt/bluedroid/stack/avrc/include/avrc_int.h
#	components/bt/bluedroid/stack/btu/btu_task.c
#	components/bt/bluedroid/stack/include/avct_api.h
#	components/bt/bluedroid/stack/include/avdt_api.h
#	components/bt/bluedroid/stack/include/avdtc_api.h
#	components/bt/bluedroid/stack/include/avrc_api.h
#	components/bt/bluedroid/stack/include/avrc_defs.h
#	components/bt/bluedroid/stack/include/gatt_api.h
#	components/bt/bluedroid/stack/l2cap/l2c_main.c
#	components/bt/component.mk
#	examples/06_bluedroid_demos/components/bluedroid_demos/app_core/bt_app_core.c