Nfc: deal with the framework going away.

By calling close() when the framework client dies.

Bug: 35624326
Test: NFC HAL stays alive and works after com.android.nfc is killed
Change-Id: I91fcf6685783cd630a44d19b4cb99127a2c0e89b
(cherry picked from commit 85ca13052700f6356215225ebb8d35a2f3f09cc3)
2 files changed