NetworkAgent: Fix doc build fail by invalid tag

Bug: 138306002
Bug: 139268426
Test: make doc-comment-check-docs

Change-Id: I8b8df5096b90ad10545087ab09f68ecae637aa35
Merged-In: I8b8df5096b90ad10545087ab09f68ecae637aa35
diff --git a/core/java/android/net/NetworkAgent.java b/core/java/android/net/NetworkAgent.java
index b2cf6f7..aae9fd4 100644
--- a/core/java/android/net/NetworkAgent.java
+++ b/core/java/android/net/NetworkAgent.java
@@ -570,7 +570,7 @@
      * Called when the system determines the usefulness of this network.
      *
      * The system attempts to validate Internet connectivity on networks that provide the
-     * {@NetworkCapabilities#NET_CAPABILITY_INTERNET} capability.
+     * {@link NetworkCapabilities#NET_CAPABILITY_INTERNET} capability.
      *
      * Currently there are two possible values:
      * {@code VALIDATION_STATUS_VALID} if Internet connectivity was validated,