Fix typos

Fix #49864

TEST=ci

Change-Id: I9a7e06d604cd0b4f56f2ac229ab3fc9f01cb9d76
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/256824
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>
Reviewed-by: Johnni Winther <johnniwinther@google.com>
Reviewed-by: Lasse Nielsen <lrn@google.com>
Reviewed-by: Liam Appelbe <liama@google.com>
Reviewed-by: Mayank Patke <fishythefish@google.com>

pkg/analysis_server/tool/spec/generated/java/AnalysisServer.java

@@ -464,7 +464,7 @@ public interface AnalysisServer {
    *
    * @param paths A list of objects each containing a path and the additional libraries from which
    *        the client is interested in receiving completion suggestions. If one configured path is
-   *        beneath another, the descendent will override the ancestors' configured libraries of
+   *        beneath another, the descendant will override the ancestors' configured libraries of
    *        interest.
    *
    * @deprecated