Structure for String.Equals intrinsic

Added structure for implementing String.Equals intrinsics. There is no
functional change at this point- the intrinsic is marked as unimplemented
for all instruction sets and compilers.

Bug: 21481923
Change-Id: Ic2a1e22a113ff6091581126f12e926478c011340
diff --git a/runtime/quick/inline_method_analyser.h b/runtime/quick/inline_method_analyser.h
index 75ff27f..dd3703c 100644
--- a/runtime/quick/inline_method_analyser.h
+++ b/runtime/quick/inline_method_analyser.h
@@ -57,6 +57,7 @@
   kIntrinsicReferenceGetReferent,
   kIntrinsicCharAt,
   kIntrinsicCompareTo,
+  kIntrinsicEquals,
   kIntrinsicGetCharsNoCheck,
   kIntrinsicIsEmptyOrLength,
   kIntrinsicIndexOf,