Ensure location is enabled before getting SSID.

When location is disabled, Wi-Fi scan results and SSID are not available
to apps.

Fixes: 153850762
Fixes: 153396893
Test: atest hostsidetests/net/src/com/android/cts/net/HostsideRestrictBackgroundNetworkTests.java
Change-Id: I05285811d7131e116d5e1d072137ed2cf9576d05
diff --git a/tests/cts/hostside/AndroidTest.xml b/tests/cts/hostside/AndroidTest.xml
index 7cc0dd1..b7fefaf 100644
--- a/tests/cts/hostside/AndroidTest.xml
+++ b/tests/cts/hostside/AndroidTest.xml
@@ -20,6 +20,7 @@
     <option name="config-descriptor:metadata" key="parameter" value="not_multi_abi" />
     <option name="config-descriptor:metadata" key="parameter" value="secondary_user" />
 
+    <target_preparer class="com.android.compatibility.common.tradefed.targetprep.LocationCheck" />
     <target_preparer class="com.android.cts.net.NetworkPolicyTestsPreparer" />
 
     <target_preparer class="com.android.tradefed.targetprep.RunCommandTargetPreparer">