UI changes to reflect the primary IMEI value in hidden menu

Bug: 263447299
Test: Manually verified using hidden menu
Change-Id: Ibba5324da8bdeca14094586416f54fb6cd676e38
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 44151c5..79119a3 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2070,6 +2070,8 @@
 
     <!-- Used for diagnostic info screens, precise translation isn't needed -->
     <string name="radioInfo_unknown">Unknown</string>
+    <!-- Used for diagnostic info screens, precise translation isn't needed -->
+    <string name="radioInfo_imei_primary">Primary</string>
     <!-- Phone Info screen. Units shown after a value.  Used for diagnostic info screens, precise translation isn't needed -->
     <string name="radioInfo_display_packets">pkts</string>
     <!-- Phone Info screen. Units shown after a value.  Used for diagnostic info screens, precise translation isn't needed -->