Test changes to support tradefed

- move jar files for gtest support to /data/nativetest/art
- tag jar files in /data/art-test as "tests"

Change-Id: I43fe38bee4a47096754ee41c3207a93a3d3ad830
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index ca80ae8..92fd96a 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -55,7 +55,7 @@
     LOCAL_CFLAGS := $(ART_TARGET_CFLAGS) $(ART_TARGET_DEBUG_CFLAGS)
     LOCAL_SHARED_LIBRARIES += libdl libicuuc libicui18n libnativehelper libstlport libz
     LOCAL_STATIC_LIBRARIES := libgtest libgtest_main
-    LOCAL_MODULE_PATH := $(TARGET_OUT_DATA_NATIVE_TESTS)/art
+    LOCAL_MODULE_PATH := $(ART_NATIVETEST_OUT)
     include $(BUILD_EXECUTABLE)
     art_gtest_exe := $$(LOCAL_MODULE_PATH)/$$(LOCAL_MODULE)
     ART_TARGET_TEST_EXECUTABLES += $$(art_gtest_exe)
@@ -79,7 +79,7 @@
 $$(art_gtest_target): $$(art_gtest_exe) test-art-target-sync
 	adb shell touch $(ART_TEST_DIR)/$$@
 	adb shell rm $(ART_TEST_DIR)/$$@
-	adb shell sh -c "/data/nativetest/art/$$(notdir $$<) && touch $(ART_TEST_DIR)/$$@"
+	adb shell sh -c "$(ART_NATIVETEST_DIR)/$$(notdir $$<) && touch $(ART_TEST_DIR)/$$@"
 	$(hide) (adb pull $(ART_TEST_DIR)/$$@ /tmp/ && echo $$@ PASSED) || (echo $$@ FAILED && exit 1)
 	$(hide) rm /tmp/$$@