Mark config as non-translatable

config_simless_emergency_rtt_supported_countries should not be
translated since it's supposed to contain country codes.

Bug: 150856897
Test: NA
Change-Id: I1a0fdfca1924943c2f8e14f5497a6f8e75104144
Merged-In: I1a0fdfca1924943c2f8e14f5497a6f8e75104144
diff --git a/res/values/config.xml b/res/values/config.xml
index 423236d..2f0fcc6 100644
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -263,7 +263,7 @@
 
     <!-- Array of countries that support sim-less emergency RTT calls. Values should be
          ISO3166 country codes in lowercase. -->
-    <string-array name="config_simless_emergency_rtt_supported_countries">
+    <string-array name="config_simless_emergency_rtt_supported_countries" translatable="false">
         <item>us</item>
     </string-array>