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/compiler/dex/quick/dex_file_method_inliner.h b/compiler/dex/quick/dex_file_method_inliner.h
index b875e2b..30a2d90 100644
--- a/compiler/dex/quick/dex_file_method_inliner.h
+++ b/compiler/dex/quick/dex_file_method_inliner.h
@@ -145,7 +145,7 @@
       kNameCacheFloor,
       kNameCacheRint,
       kNameCacheRound,
-      kNameCacheReferenceGet,
+      kNameCacheReferenceGetReferent,
       kNameCacheCharAt,
       kNameCacheCompareTo,
       kNameCacheIsEmpty,