Revert "[Vold] Conditional dependency to ARC++ ObbVolume"

This reverts commit aedae617fec702add64201534a2f514fa31c5965.

Reason for revert: ArcObbVolume is not needed by ARCVM R and above.

Bug: 157885448
Test: trybot
Change-Id: I16395ac8b6902cedea263f51e306b297d719043f
1 file changed