Update tee patches in the thread loop.

When secondary output is updated, the tee patches need to
be updated. However, the mixer can access the tee patches
without any lock. In that case, updating tee patches in the
threadloop, which is before mixing, can help avoid race
condition.

Bug: 276314585
Test: manually
Test: atest AudioPlaybackCaptureTest
Change-Id: I36b5ae3777526942a31c7a3122a05477fce0b6df