Change incoming WIFI call status hint.

Per bug, the new UX requires the "Incoming Wi-Fi call" text to be
"Wi-Fi call from".

Bug: 30828844
Change-Id: I3d4797f04f6f907c5b6e3607ffcaab169e0eacbb
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 61e0a5b..34cdeb5 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -1325,7 +1325,7 @@
 
     <!-- Status hint label for an incoming call over a wifi network which has not been accepted yet.
          [CHAR LIMIT=25] -->
-    <string name="status_hint_label_incoming_wifi_call">Incoming Wi-Fi call</string>
+    <string name="status_hint_label_incoming_wifi_call">Wi-Fi call from</string>
     <!-- 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>