avsync-lib: only clean the poll event in poll thread [2/2]

PD#TV-60286

Problem:
Get msync status will clear the poll event. Leading to audio waiting
forever.

Soution:
Only clean the poll event in poll thread.

Verify:
TM2 + Platco

Change-Id: I67786210abcce2e519e3ed651edeb8d3aa3d87f8
Signed-off-by: Song Zhao <song.zhao@amlogic.com>
4 files changed
tree: 11da993ed608eab617c9e79703cd0417e98b2a05
  1. src/
  2. avsync-lib.mk
  3. Config.in
  4. Makefile
  5. version_config.sh