Fix the formatting of the xml

The field string-array requires a num="<number>" field to be parsed
correctly.

Change-Id: I87158674a54712983c6b0c6069670186156c7106
Fix: 31947210
Test: build and flashed on device to verify the fix
(cherry picked from commit b088aa20cb90906d1386a78d2a09672fca9c7175)
diff --git a/assets/carrier_config_20404.xml b/assets/carrier_config_20404.xml
index f202663..5d9697a 100644
--- a/assets/carrier_config_20404.xml
+++ b/assets/carrier_config_20404.xml
@@ -13,7 +13,7 @@
         <string name="carrier_eri_file_name_string">eri_311480.xml</string>
         <int name="carrier_default_wfc_ims_mode_int" value="1"/>
         <string name="default_vm_number_string">*86</string>
-        <string-array name="dial_string_replace_string_array">
+        <string-array name="dial_string_replace_string_array" num="2">
             <item value="*611:+19085594899" />
             <item value="*86:+1MDN" />
         </string-array>
diff --git a/assets/carrier_config_311480.xml b/assets/carrier_config_311480.xml
index 528cb76..3ed714e 100644
--- a/assets/carrier_config_311480.xml
+++ b/assets/carrier_config_311480.xml
@@ -49,7 +49,7 @@
         <boolean name="allow_add_call_during_video_call" value="false" />
         <boolean name="persist_lpp_mode_bool" value="true" />
         <string name="default_vm_number_string">*86</string>
-        <string-array name="dial_string_replace_string_array">
+        <string-array name="dial_string_replace_string_array" num="2">
             <item value="*611:+19085594899" />
             <item value="*86:+1MDN" />
         </string-array>