Ensure hold tones are always played.

Default playing of remote hold tones for this carrier.

Test: Manual
Bug: 64099717
Change-Id: Icc0d0e8215afde65bacfa0f6547a7179f1bfd3fc
diff --git a/assets/carrier_config_302220.xml b/assets/carrier_config_302220.xml
index 13473c1..25a7e52 100644
--- a/assets/carrier_config_302220.xml
+++ b/assets/carrier_config_302220.xml
@@ -11,5 +11,6 @@
         <string-array name="read_only_apn_types_string_array" num="1">
             <item value="*" />
         </string-array>
+        <boolean name="always_play_remote_hold_tone_bool" value="true" />
     </carrier_config>
 </carrier_config_list>
diff --git a/assets/carrier_config_302221.xml b/assets/carrier_config_302221.xml
index d247feb..0b281a9 100644
--- a/assets/carrier_config_302221.xml
+++ b/assets/carrier_config_302221.xml
@@ -8,5 +8,6 @@
         <int name="maxMessageSize" value="1048576" />
         <int name="maxImageWidth" value="2592" />
         <boolean name="voicemail_notification_persistent_bool" value="true" />
+        <boolean name="always_play_remote_hold_tone_bool" value="true" />
     </carrier_config>
 </carrier_config_list>