Update audio route strings.

Test: manually
Fixes: 145915135
Change-Id: I513be318b35db0ea715d52c5a5999c2b16a08463
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 80024f6..0237356 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -51,12 +51,12 @@
     <string name="call_back">Call back</string>
 
     <!-- Audio route -->
-    <!-- Label for routing phone audio to the vehicle [CHAR LIMIT=30] -->
-    <string name="audio_route_vehicle">Vehicle bluetooth</string>
+    <!-- Label for routing phone audio to the vehicle using car speakers [CHAR LIMIT=30] -->
+    <string name="audio_route_vehicle">Car speakers</string>
     <!-- Label for routing phone audio to the phone speaker [CHAR LIMIT=30] -->
-    <string name="audio_route_phone_speaker">Speaker phone</string>
+    <string name="audio_route_phone_speaker">Phone speaker</string>
     <!-- Label for routing phone audio to the phone earpiece. [CHAR LIMIT=30] -->
-    <string name="audio_route_handset">Handset</string>
+    <string name="audio_route_handset">Phone</string>
 
     <!-- Button label to dial a manually entered phone number -->
     <string name="dial_a_number">Dial a number</string>