Benchmark have their own folder

Benchmark tests use a separate folder from native tests.

Bug: 27465556
Change-Id: Ife0f43062e36ffc856f41683ddc4d91a7787333e
diff --git a/core/native_benchmark.mk b/core/native_benchmark.mk
index fe378b8..ac37701 100644
--- a/core/native_benchmark.mk
+++ b/core/native_benchmark.mk
@@ -5,8 +5,13 @@
 
 LOCAL_STATIC_LIBRARIES += libgoogle-benchmark
 
-ifndef LOCAL_MODULE_PATH
-LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_NATIVE_TESTS)/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_64 := $(TARGET_OUT_DATA_METRIC_TESTS)/$(LOCAL_MODULE)
+LOCAL_MODULE_PATH_32 := $($(TARGET_2ND_ARCH_VAR_PREFIX)TARGET_OUT_DATA_METRIC_TESTS)/$(LOCAL_MODULE)
+
+ifndef LOCAL_MULTILIB
+ifndef LOCAL_32_BIT_ONLY
+LOCAL_MULTILIB := both
+endif
 endif
 
 include $(BUILD_EXECUTABLE)