Revert "sbitmap: Try each queue to wake up at least one waiter"

This reverts commit ff9571a4.

It breaks the ABI right now, but will be brought back at the next ABI
break as it will be needed for Android systems.

Bug: 161946584
Change-Id: I484106fa249e20cf12d748f005c3481947efd735
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>