Convert ART benchmarks into caliper benchmarks

Move the ART benchmarks into the benchmarks directory and make them
caliper friendly.

To run you need to build libartbenchmark.so and sync it then use
vogar --benchmark.

Bug: 24055147

Change-Id: Idc9caf8dc8022190d737840ba0eb9e356f9872cb
diff --git a/benchmark/Android.mk b/benchmark/Android.mk
new file mode 100644
index 0000000..09aca98
--- /dev/null
+++ b/benchmark/Android.mk
@@ -0,0 +1,78 @@
+#
+# Copyright (C) 2015 The Android Open Source Project
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+LOCAL_PATH := $(call my-dir)
+
+include art/build/Android.common_build.mk
+
+LIBARTBENCHMARK_COMMON_SRC_FILES := \
+  jni-perf/perf_jni.cc \
+  scoped-primitive-array/scoped_primitive_array.cc
+
+# $(1): target or host
+define build-libartbenchmark
+  ifneq ($(1),target)
+    ifneq ($(1),host)
+      $$(error expected target or host for argument 1, received $(1))
+    endif
+  endif
+
+  art_target_or_host := $(1)
+
+  include $(CLEAR_VARS)
+  LOCAL_CPP_EXTENSION := $(ART_CPP_EXTENSION)
+  LOCAL_MODULE := libartbenchmark
+  ifeq ($$(art_target_or_host),target)
+    LOCAL_MODULE_TAGS := tests
+  endif
+  LOCAL_SRC_FILES := $(LIBARTBENCHMARK_COMMON_SRC_FILES)
+  LOCAL_SHARED_LIBRARIES += libart libbacktrace libnativehelper
+  LOCAL_C_INCLUDES += $(ART_C_INCLUDES) art/runtime
+  LOCAL_ADDITIONAL_DEPENDENCIES := art/build/Android.common_build.mk
+  LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
+  ifeq ($$(art_target_or_host),target)
+    $(call set-target-local-clang-vars)
+    $(call set-target-local-cflags-vars,debug)
+    LOCAL_SHARED_LIBRARIES += libdl
+    LOCAL_MULTILIB := both
+    # LOCAL_MODULE_PATH_32 := $(ART_TARGET_OUT)/$(ART_TARGET_ARCH_32)
+    # LOCAL_MODULE_PATH_64 := $(ART_TARGET_OUT)/$(ART_TARGET_ARCH_64)
+    LOCAL_MODULE_TARGET_ARCH := $(ART_SUPPORTED_ARCH)
+    include $(BUILD_SHARED_LIBRARY)
+  else # host
+    LOCAL_CLANG := $(ART_HOST_CLANG)
+    LOCAL_CFLAGS := $(ART_HOST_CFLAGS) $(ART_HOST_DEBUG_CFLAGS)
+    LOCAL_ASFLAGS := $(ART_HOST_ASFLAGS)
+    LOCAL_LDLIBS := $(ART_HOST_LDLIBS) -ldl -lpthread
+    LOCAL_IS_HOST_MODULE := true
+    LOCAL_MULTILIB := both
+    include $(BUILD_HOST_SHARED_LIBRARY)
+  endif
+
+  # Clear locally used variables.
+  art_target_or_host :=
+endef
+
+ifeq ($(ART_BUILD_TARGET),true)
+  $(eval $(call build-libartbenchmark,target))
+endif
+ifeq ($(ART_BUILD_HOST),true)
+  $(eval $(call build-libartbenchmark,host))
+endif
+
+# Clear locally used variables.
+LOCAL_PATH :=
+LIBARTBENCHMARK_COMMON_SRC_FILES :=