ANDROID: GKI: Incremental fs: move MODULE_IMPORT_NS() line

Should be right below the license, as per where the automatic tool will
place it.

Bug: 157965270
Reported-by: Matthias Maennich <maennich@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ief560ea12bb5cf21c20d8231b3188b52bc9823b8