Updated the javadoc
Bug: 239607619
Test: Build
Change-Id: If936dd225e0bfe770bbe761106113d273597d8a0
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index 0638189..29b1c65 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -2672,10 +2672,10 @@
* @param columnName Column name in subscription database.
*
* @return Value in string format associated with {@code subscriptionId} and {@code columnName}
- * from the database.
+ * from the database. Empty string if the {@code subscriptionId} is invalid (for backward
+ * compatible).
*
- * @throws IllegalArgumentException if {@code subscriptionId} is invalid, or the field is not
- * exposed.
+ * @throws IllegalArgumentException if the field is not exposed.
*
* @see android.provider.Telephony.SimInfo for all the columns.
*