Revert "Use only one set of adreno drivers."

* The 4.3 ones don't work well on a2xx, so we'll use
  what we had from Sony until we get new ones which
  work properly.

This reverts commit bf9958477dfaf66949016c065d7d93f7b0249115.

Change-Id: Ia255ad899a899b4a1c85bf096b4b7f08b8c6018f