Merge "Revert "ART: Reference.getReferent intrinsic for x86 and x86_64""
am: 628f2017fc

* commit '628f2017fcc64352a2297a802c10ea7100fbd74b':
  Revert "ART: Reference.getReferent intrinsic for x86 and x86_64"

Change-Id: I72df2e9ca58d9f9c1ffdab0223658fd1da562d96