For CRUSH rule using indep algorithm, it should also check if the acting set contains CRUSH_ITEM_NONE or not to determine PG state.

Fixes: 9614

Signed-off-by: Guang Yang (yguang@yahoo-inc.com)
I was wrong before... we shouldn't be clearing UNDERSIZED here (we're comparing with actingbackfill and not actingset).  This was correct originally.  Sorry!