Lazy create InternetPreferenceRepository

In InternetPreferenceControllerV2, to not created in search indexing for
better performance.

Bug: 339884322
Flag: com.android.settings.flags.internet_preference_controller_v2
Test: manual - on Internet
Change-Id: I9e0e36ba6296d48d3761714db52074c90f635233
diff --git a/src/com/android/settings/network/InternetPreferenceControllerV2.kt b/src/com/android/settings/network/InternetPreferenceControllerV2.kt
index a181abd..3c79342 100644
--- a/src/com/android/settings/network/InternetPreferenceControllerV2.kt
+++ b/src/com/android/settings/network/InternetPreferenceControllerV2.kt
@@ -28,7 +28,7 @@
 class InternetPreferenceControllerV2(context: Context, preferenceKey: String) :
     BasePreferenceController(context, preferenceKey) {
 
-    private val repository = InternetPreferenceRepository(mContext)
+    private val repository by lazy { InternetPreferenceRepository(mContext) }
     private var preference: Preference? = null
 
     override fun getAvailabilityStatus() =