[BugFix][API-1448]get ip from neigh list  null than get ip from dnsmasq ap0.lease

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: I7091798568a803a7a14363d1f44f0516945c050d
1 file changed