Verify SAF blocks directory access to /sdcard/Android

Bug: 157320644
Test: atest DocumentsTest

Change-Id: I0750c11e225b15b930431c5cf26cce492e575fdb
(cherry picked from commit 4eba3b6ffb3c3cd5eac63cb795e14e7066a693cf)
Merged-In: I0750c11e225b15b930431c5cf26cce492e575fdb
(cherry picked from commit 942e69e558bce3edef47b3ace6086ce50a37cce5)
1 file changed