tree c4fcd119cf50a384f72eeefed08e6555c6afe9d8
parent eef6d0cb24731903e3b056708e73477347838f52
author xuelin <xuelin@xiaomi.corp-partner.google.com> 1670464175 +0800
committer xuelin <xuelin@xiaomi.corp-partner.google.com> 1670486551 +0800

fix WifiUtils:isNetworkLockedDown() null pointer issue

In the WifiUtils class, the isNetworkLockedDown() method does not
determine whether the context is empty, which will cause a null
pointer exception. This change adds a condition for judging the
input context as empty.

Bug:261812909
Test:make RunSettingsRoboTests
Change-Id: Ie0f17179c25a7e9d4b2f652a5667eef3cc577c7b
Signed-off-by: xuelin <xuelin@xiaomi.corp-partner.google.com>