Move close callback outside ProgramList lock

The callback of on-close listener in program list was moved outside
of the lock in porgram list to avoid the deadlock between
program list and tuner adpater.

Bug: 254505565
Test: atest RadioTunerTest
Change-Id: I9c668c63a578ba04b52747e0ef96e9e67cc00b72
Merged-In: I9c668c63a578ba04b52747e0ef96e9e67cc00b72
(cherry picked from commit 1fcf05bb)