[Settings] Code refactor - NetworkModePreference

Code refactor for improving readibility.

Bug: 223461708
Test: unit test EnabledNetworkModePreferenceControllerTest
Change-Id: I3b3157cbc76f104d63062fda495a7391ecc18ada
diff --git a/tests/robotests/Android.bp b/tests/robotests/Android.bp
index 2945bef..ee0a7d8 100644
--- a/tests/robotests/Android.bp
+++ b/tests/robotests/Android.bp
@@ -46,6 +46,7 @@
         "jsr305",
         "settings-contextual-card-protos-lite",
         "settings-log-bridge-protos-lite",
+	"settings-telephony-protos-lite",
         "contextualcards",
         "settings-logtags",
         "zxing-core-1.7",