Revert "ANDROID: Incremental fs: Allow running a single test"

This reverts commit aab71342.

Set incfs back to rvc shipping incfs

Bug: 178509184
Test: incfs_test passes
Signed-off-by: Paul Lawrence <paullawrence@google.com>
Change-Id: Ie48159cd19e3c4b686d6187482ab93ad46846e91