Files app: Fix closure markup for Crostini type

Follow up for:
https://chromium-review.googlesource.com/c/chromium/src/+/2589234

Bug: 1133186
Change-Id: I7f8af20af3cfb03e792850e9fbc8cdda5dda84c6
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2592291
Auto-Submit: Luciano Pacheco <lucmult@chromium.org>
Reviewed-by: Jeremie Boulic <jboulic@chromium.org>
Commit-Queue: Jeremie Boulic <jboulic@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836988}

ui/file_manager/externs/background/crostini.js

@@ -68,7 +68,8 @@
    * Returns true if entry can be shared with the specified VM.
    * @param {string} vmName
    * @param {!Entry} entry
-   * @return {boolean} persist If path is to be persisted.
+   * @param {boolean} persist If path is to be persisted.
+   * @return {boolean}
    */
   canSharePath(vmName, entry, persist) {}
 }

ui/file_manager/file_manager/background/js/crostini.js

@@ -197,7 +197,8 @@
    * Returns true if entry can be shared with the specified VM.
    * @param {string} vmName
    * @param {!Entry} entry
-   * @return {boolean} persist If path is to be persisted.
+   * @param {boolean} persist If path is to be persisted.
+   * @return {boolean}
    */
   canSharePath(vmName, entry, persist) {
     if (!this.enabled_[vmName]) {