[SPARK-2977] Ensure ShuffleManager is created before ShuffleBlockManager

This is intended to fix SPARK-2977.  Before, there was an implicit ordering dependency where we needed to know the ShuffleManager implementation before creating the ShuffleBlockManager.  This patch makes that dependency explicit by adding ShuffleManager to a bunch of constructors.

I think it's a little odd for BlockManager to take a ShuffleManager only to pass it to ShuffleBlockManager without using it itself; there's an opportunity to clean this up later if we sever the circular dependencies between BlockManager and other components and pass those components to BlockManager's constructor.

Author: Josh Rosen <joshrosen@apache.org>

Closes #1976 from JoshRosen/SPARK-2977 and squashes the following commits:

a9cd1e1 [Josh Rosen] [SPARK-2977] Ensure ShuffleManager is created before ShuffleBlockManager.

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