ecs: handle device capabilities

ecs: handle device capabilities

* capability values are set by emulator daemon
|-------|          |-----|           |---------|
| emuld | -------> | ECS | --------> | clients |
|-------|   set    |-----|  result   |---------|

* ECS stores the value and send it when ECP requests.
|-----|            |-----|           |---------|
| ECP | -------->  | ECS | --------> | clients |
|-----|  request   |-----|  result   |---------|

check sensor & nfc device status additionally.

Change-Id: Icebefa564f0263afff0f0e1b139335c7c6f2ba3d
Signed-off-by: Jinhyung Choi <jinh0.choi@samsung.com>