Revert "ANDROID: Incremental fs: Initialize mount options correctly"

This reverts commit 63ddad8b.

Set incfs back to rvc shipping incfs

Bug: 178509184
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Id80c83386b3fb37f48c625c1cd540b8a08a5c203