Merge pull request #9387 from atennapel/run/4642-mx-create-module-package-dep-sync

[RUN-4642] Add new flag to mx create-module-package docs

Author: quinntracy

content/en/docs/refguide/general/mx-command-line-tool/export.md

@@ -63,6 +63,7 @@ These are the `OPTIONS`:
 | `-l, --filter-required-libs` | Includes all the files except the userlibs that do not have an accompanying `[ModuleName].RequiredLib` file. | 
 | `-e, --exclude-files` | Excludes all the files that match the given regular expression. |
 | `-d, --package-dir` | Exports the module package to the directory. |
+| `-m, --exclude-managed-dependencies` | Excludes managed dependencies from synchronization and the exported module package. Note that this will prevent the module from being used if Gradle synchronization is disabled in Studio Pro. |
 | `--help` | Displays the help screen. |
 
 For `TARGET-FILE`, specify the *.mpr* app you want to export.