sharePlaylist(): converting javadoc from Markdown back to "classic javadoc"

(request from @Stypox)

Author: tfga

app/src/main/java/org/schabi/newpipe/local/playlist/LocalPlaylistFragment.java

@@ -388,15 +388,16 @@ public boolean onOptionsItemSelected(final MenuItem item) {
         return true;
     }
 
-    ///
-    /// Shares the playlist in one of 3 ways, depending on the value of `shareMode`:
-    ///
-    /// - `JUST_URLS`: shares the URLs only.
-    /// - `WITH_TITLES`: each entry in the list is accompanied by its title.
-    /// - `YOUTUBE_TEMP_PLAYLIST`: shares as a YouTube temporary playlist.
-    ///
-    ///  @param shareMode The way the playlist should be shared.
-    ///
+    /**
+     * Shares the playlist in one of 3 ways, depending on the value of {@code shareMode}:
+     * <ul>
+     *     <li>{@code JUST_URLS}: shares the URLs only.</li>
+     *     <li>{@code WITH_TITLES}: each entry in the list is accompanied by its title.</li>
+     *     <li>{@code YOUTUBE_TEMP_PLAYLIST}: shares as a YouTube temporary playlist.</li>
+     * </ul>
+     *
+     * @param shareMode The way the playlist should be shared.
+     */
     private void sharePlaylist(final PlayListShareMode shareMode) {
         final Context context = requireContext();