Improve the BT settings audio device type strings

Flag: EXEMPT string xml only update
Test: manual
Bug: 337044231
Change-Id: I717fda31ca937a9f09d548e037ca7497a7d2a829
diff --git a/res/values/strings.xml b/res/values/strings.xml
index a4d8305..12f58b1 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -12886,17 +12886,17 @@
     <string name="bluetooth_details_permissions_sync_summary">Give your watch the same app permissions that you’ve allowed on this phone</string>
 
     <!-- The title of the bluetooth audio device type selection [CHAR LIMIT=none] -->
-    <string name="bluetooth_details_audio_device_types_title">Audio Device Type</string>
-    <!-- The audio device type corresponding to unknown device type [CHAR LIMIT=none] -->
-    <string name="bluetooth_details_audio_device_type_unknown">Unknown</string>
+    <string name="bluetooth_details_audio_device_types_title">Audio device type</string>
+    <!-- The audio device type corresponding to a not set device type [CHAR LIMIT=none] -->
+    <string name="bluetooth_details_audio_device_type_unknown">Not set</string>
     <!-- The audio device type corresponding to speakers [CHAR LIMIT=none] -->
     <string name="bluetooth_details_audio_device_type_speaker">Speaker</string>
     <!-- The audio device type corresponding to headphones [CHAR LIMIT=none] -->
     <string name="bluetooth_details_audio_device_type_headphones">Headphones</string>
-    <!-- The audio device type corresponding to hearing aid [CHAR LIMIT=none] -->
-    <string name="bluetooth_details_audio_device_type_hearing_aid">Hearing Aid</string>
+    <!-- The audio device type corresponding to hearing device [CHAR LIMIT=none] -->
+    <string name="bluetooth_details_audio_device_type_hearing_aid">Hearing device</string>
     <!-- The audio device type corresponding to car kit [CHAR LIMIT=none] -->
-    <string name="bluetooth_details_audio_device_type_carkit">Car Kit</string>
+    <string name="bluetooth_details_audio_device_type_carkit">Car</string>
     <!-- The audio device type corresponding to other device type [CHAR LIMIT=none] -->
     <string name="bluetooth_details_audio_device_type_other">Other</string>