Fixing bugs related to pausing of private space. am: e8cc1dbbd0

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/DocumentsUI/+/26224952

Change-Id: I5308a83897585b5f78765902b339a20865e34947
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>