[BugFix][API-1392]run wl down/up when change 5g ap turn to 2.4G in set frequency API

Affected branch:MR3.0-xx && GSW3.0

Affected module:wifi

Is it addected on both ZXIC and MTK: only MTK

Self-test: Yes

Doc Update: No

Change-Id: Ide2a42af27207e0f16c3e71bd2a469356d7e8440
1 file changed