tuner: call to hal again to close transport FD by binder

- Base on hardware binder design, the transport data from binder will be
closed on the next transact(...).
- Here TunerServer call to Tuner HAL again to trigger binder to close
the fd and release shared memory occupied by it.

Bug: 197008205
Test: Check whether there is tuner related fd leak.
Change-Id: I5eb8e0f193e80a789ca48389c43eb859cb0b5c4a