Revert "ANDROID: Incremental fs: Add per UID read timeouts"

This reverts commit c9704ce7.

Set incfs back to rvc shipping incfs

Bug: 178509184
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ic89b180cf34b468885490a5586484a655465b887