VTS: fix some logic errors for tuner HAL vts [1/1]

PD#SWPL-64015
bug#208191849

Problem:
tuner HAL vts test fail

Solution:
fix  text frequency:
fix  test start dvr playback logic error;

Verify:
Verify ohm
Bug: 208191849
Change-Id: I6376b7c1a6a6ea41fc73337e572e489999b6593f
Signed-off-by: junchao yuan <junchao.yuan@amlogic.com>