Change Reference.get() intrinsic to Reference.getReferent().

The reference intrinsic was incorrectly inlining
PhantomReference.get(). We now get around this by adding a
layer of indirection. Reference.get() now calls getReferent()
which is intrinsified and inlined.

Requires:
https://android-review.googlesource.com/#/c/107100/

Bug: 17429865
Change-Id: Ie91e70abf43cedf3c707c7bb8a5059e19d2a2577
diff --git a/runtime/quick/inline_method_analyser.h b/runtime/quick/inline_method_analyser.h
index c4d51cb..a2ae397 100644
--- a/runtime/quick/inline_method_analyser.h
+++ b/runtime/quick/inline_method_analyser.h
@@ -53,7 +53,7 @@
   kIntrinsicRint,
   kIntrinsicRoundFloat,
   kIntrinsicRoundDouble,
-  kIntrinsicReferenceGet,
+  kIntrinsicReferenceGetReferent,
   kIntrinsicCharAt,
   kIntrinsicCompareTo,
   kIntrinsicIsEmptyOrLength,