Raneme the wifi detail "Sign into network" button to "Sign in".

Bug: 36656914
Test: button looks reasonable in English, Italian, Japanese, Dutch
Change-Id: Icaba16a4ef1ddfc03fc45fd1d1c64bcca9913d7c
diff --git a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
index dd1e4a4..a5d922d 100644
--- a/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
+++ b/src/com/android/settings/wifi/details/WifiDetailPreferenceController.java
@@ -225,7 +225,7 @@
 
         mButtonsPref = (LayoutPreference) screen.findPreference(KEY_BUTTONS_PREF);
         mSignInButton = (Button) mButtonsPref.findViewById(R.id.right_button);
-        mSignInButton.setText(com.android.internal.R.string.network_available_sign_in);
+        mSignInButton.setText(R.string.support_sign_in_button_text);
         mSignInButton.setOnClickListener(
             view -> mConnectivityManagerWrapper.startCaptivePortalApp(mNetwork));