Fix doclava docs build.

Doclava needs full path to the constructor for the inner classes.

Test: ./gradlew generateDocs
Change-Id: I3a62ce4de19f35d10c9f3dd6831bb4a012ac85b8
diff --git a/compat/java/android/support/v4/app/NotificationCompat.java b/compat/java/android/support/v4/app/NotificationCompat.java
index ad93bc5..8ef7d6b 100644
--- a/compat/java/android/support/v4/app/NotificationCompat.java
+++ b/compat/java/android/support/v4/app/NotificationCompat.java
@@ -724,8 +724,7 @@
         }
 
         /**
-         * @deprecated use
-         * {@link NotificationCompat.Builder#Builder(Context, String)} instead.
+         * @deprecated use {@link #NotificationCompat.Builder(Context,String)} instead.
          * All posted Notifications must specify a NotificationChannel Id.
          */
         @Deprecated