Revert "Revert "Enable manage mode for ExternalStorageProvider when called from Files""

This reverts commit 90cca86e7c5e2173c709026b0dc4e6856765ad49.

Reason for revert: Working as Intended

Bug: 150366834
Change-Id: Ic4ca6e99b9b1ead0446b47876d4d388a3990fc1f
1 file changed