ART: Remove interpreter entrypoints

These are no longer used as entrypoints. Make them proper runtime
functions local to the interpreter.

Bump oat version.

Change-Id: Icdd92e20eafc5668b68eeebf55cf624560f462b3
diff --git a/runtime/interpreter/interpreter.h b/runtime/interpreter/interpreter.h
index 61140a2..b21ea84 100644
--- a/runtime/interpreter/interpreter.h
+++ b/runtime/interpreter/interpreter.h
@@ -45,17 +45,12 @@
                                              ShadowFrame* shadow_frame)
     SHARED_REQUIRES(Locks::mutator_lock_);
 
+void ArtInterpreterToInterpreterBridge(Thread* self, const DexFile::CodeItem* code_item,
+                                       ShadowFrame* shadow_frame, JValue* result)
+    SHARED_REQUIRES(Locks::mutator_lock_);
 
 }  // namespace interpreter
 
-extern "C" void artInterpreterToInterpreterBridge(Thread* self, const DexFile::CodeItem* code_item,
-                                                  ShadowFrame* shadow_frame, JValue* result)
-    SHARED_REQUIRES(Locks::mutator_lock_);
-
-extern "C" void artInterpreterToCompiledCodeBridge(Thread* self, const DexFile::CodeItem* code_item,
-                                                   ShadowFrame* shadow_frame, JValue* result)
-    SHARED_REQUIRES(Locks::mutator_lock_);
-
 }  // namespace art
 
 #endif  // ART_RUNTIME_INTERPRETER_INTERPRETER_H_