Fix the issue that the data is not fully delivered

Fix the issue that the data is not fully delivered

I/BLUETOOTH_FRWK_API( 3421): bt-l2cap-le-client.c: __write_all(542) > written: 122, len 122
I/BLUETOOTH_FRWK_API( 3421): bt-l2cap-le-client.c: __write_all(544) > index 0 : data 79
I/BLUETOOTH_FRWK_API( 3421): bt-l2cap-le-client.c: __write_all(544) > index 1 : data 1a
I/BLUETOOTH_FRWK_API( 3421): bt-l2cap-le-client.c: __write_all(544) > index 2 : data 77
I/BLUETOOTH_FRWK_API( 3421): bt-l2cap-le-client.c: __write_all(544) > index 3 : data 8b
..
I/BLUETOOTH_HAL( 9157): bt-hal-l2cap-le-dbus-handler.c: app_event_cb(255) > len: 3
I/BLUETOOTH_HAL( 9157): bt-hal-l2cap-le-dbus-handler.c: app_event_cb(257) > Received data, index: 0 : 79
I/BLUETOOTH_HAL( 9157): bt-hal-l2cap-le-dbus-handler.c: app_event_cb(257) > Received data, index: 1 : 1a
I/BLUETOOTH_HAL( 9157): bt-hal-l2cap-le-dbus-handler.c: app_event_cb(257) > Received data, index: 2 : 77
D/BLUETOOTH_HAL( 9157): bt-hal-l2cap-le-dbus-handler.c: write_all(191) > len 3
I/BLUETOOTH_HAL( 9157): bt-hal-l2cap-le-dbus-handler.c: write_all(197) > written 3

Change-Id: I4ee146230c0113592a45ad1c39f9bb6bc71cf6b5