tree bafa80aa51184da75ad6f8b5b4c512097b21efeb
parent e613d20f91c7b3fb229b01e22a121570675cb5fe
author Hongguang <hgchen@google.com> 1633565469 -0700
committer Hongguang <hgchen@google.com> 1633635838 -0700

Stop current tuning before starting a new tuning.

If a new tuning request comes before stop old tuning, there is race
condition that the Frontend loop thread may crash while terminate().

Bug: 202335601
Fix: 202335601
Test: atest android.media.tv.tuner.cts
Change-Id: Ic168b585f0a8fe36bd8eeceee3e0b4c83d5388aa