Add "wifi lost" disconnect cause.

New disconnect cause used when wifi call is dropped due to loss of wifi
connection.

Test: Manual, unit.
Merged-In: Iedaa9f54ff6dbfe90a6ce01fc9eb0aad126d05f0
Bug: 32571209
Change-Id: Iedaa9f54ff6dbfe90a6ce01fc9eb0aad126d05f0
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index d7cd07a..04c10d2 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -1064,6 +1064,9 @@
      * and {@code NEW_CODE} is the new {@code ImsReasonInfo#CODE_*} which this combination of
      * original code and message shall be remapped to.
      *
+     * Note: If {@code *} is specified for the original code, any ImsReasonInfo with the matching
+     * {@code MESSAGE} will be remapped to {@code NEW_CODE}.
+     *
      * Example: "501|call completion elsewhere|1014"
      * When the {@link ImsReasonInfo#getCode()} is {@link ImsReasonInfo#CODE_USER_TERMINATED} and
      * the {@link ImsReasonInfo#getExtraMessage()} is {@code "call completion elsewhere"},