audio: switch track got glitch. [1/2]

PD#SWPL-190043

Problem:
has residual data after flush.

Solution:
cleanup the scaletempo cache when flush.

Verify:
Yocto: :AP222

Change-Id: I00bd276bd04429dd09541c72d6884aaa0882e948
Signed-off-by: xingri.gao <xingri.gao@amlogic.com>
2 files changed