hwc: Get the retire fence from the MDP driver

Get the retire fence separately instead of duplicating the
release fence. Close the retire fence for the rotator as it is
unused.

Bug: 9319776
Bug: 10153314
Change-Id: Iacb773c2d94f635e27a7b355d399cb2e36dac2a5
1 file changed
tree: 635b6ca3671cb4afed12068d3b18df8c31c414b0
  1. msm8960/
  2. msm8974/
  3. msm8x26/
  4. Android.mk