Fix security issue for using mock location without permission.

Remove mock location apps if developer option is disabled.

Change-Id: Iad32ea336376eeb923f6d4424fd85c2da2bb5128
Bugs: 145136060
Test: manual

src/com/android/settings/development/MockLocationAppPreferenceController.java

@@ -27,6 +27,7 @@ import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.text.TextUtils;
 
+import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
 
 import com.android.settings.R;
@@ -86,6 +87,12 @@ public class MockLocationAppPreferenceController extends DeveloperOptionsPrefere
         return true;
     }
 
+    @Override
+    public void onDeveloperOptionsDisabled() {
+        super.onDeveloperOptionsDisabled();
+        removeAllMockLocations();
+    }
+
     private void updateMockLocation() {
         final String mockLocationApp = getCurrentMockLocationApp();
 
@@ -151,7 +158,8 @@ public class MockLocationAppPreferenceController extends DeveloperOptionsPrefere
         }
     }
 
-    private String getCurrentMockLocationApp() {
+    @VisibleForTesting
+    String getCurrentMockLocationApp() {
         final List<AppOpsManager.PackageOps> packageOps = mAppsOpsManager.getPackagesForOps(
                 MOCK_LOCATION_APP_OPS);
         if (packageOps != null) {