[CMFileManager]Fix the software don't hide when the drawerlayout open.

Procedures

1.Go to “File Manager”.
2.Press Search button and let the software popup.
3.Open the DrawerLayout.

the software still show when the drawerlayout popup.

Change-Id: I14b4d995b76bb12ae9c71b70dd6bb4b582bd5aa7
(cherry picked from commit 439c98b1)