Merge "Remove hidden method link in public addRoute API" am: fe09ad78cd am: 79edf2d346 am: 01d4caea3c

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1676435

Change-Id: I80ed5448b854960cea0ae58c93491990d54ffd86
diff --git a/framework/src/android/net/LinkProperties.java b/framework/src/android/net/LinkProperties.java
index e41ed72..99f48b4 100644
--- a/framework/src/android/net/LinkProperties.java
+++ b/framework/src/android/net/LinkProperties.java
@@ -686,8 +686,8 @@
     }
 
     /**
-     * Adds a {@link RouteInfo} to this {@code LinkProperties}, if a {@link RouteInfo}
-     * with the same {@link RouteInfo.RouteKey} with different properties
+     * Adds a {@link RouteInfo} to this {@code LinkProperties}. If there is a {@link RouteInfo}
+     * with the same destination, gateway and interface with different properties
      * (e.g., different MTU), it will be updated. If the {@link RouteInfo} had an
      * interface name set and that differs from the interface set for this
      * {@code LinkProperties} an {@link IllegalArgumentException} will be thrown.