Convert InCall WFC labeling to use StatusHints.

Bug: 19866988
Change-Id: Ib2353524361fcbff8e0caf44517f76c8cf573927
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 1e5d785..bd5e1b4 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1292,6 +1292,9 @@
     <!-- Configuration setting for world mode Format is <true;GID if any to be checked>-->
     <string translatable="false" name="config_world_mode"/>
 
+    <!-- Status hint label for a call being made over a wifi network. [CHAR LIMIT=25] -->
+    <string name="status_hint_label_wifi_call">Wi-Fi call</string>
+
     <!-- DO NOT TRANSLATE. Internal key for a voicemail notification preference. -->
     <string name="voicemail_notification_ringtone_key">voicemail_notification_ringtone_key</string>
     <!-- DO NOT TRANSLATE. Internal key for a voicemail notification preference. -->
@@ -1300,4 +1303,5 @@
     <string name="tty_mode_key">button_tty_mode_key</string>
     <!-- DO NOT TRANSLATE. Internal key for a voicemail notification preference. -->
     <string name="wifi_calling_settings_key">button_wifi_calling_settings_key</string>
+
 </resources>