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/Android.mk b/Android.mk
index c41d031..fa8349b 100644
--- a/Android.mk
+++ b/Android.mk
@@ -65,8 +65,8 @@
 
 ART_TARGET_DEPENDENCIES := $(ART_TARGET_EXECUTABLES) $(TARGET_OUT_JAVA_LIBRARIES)/core.jar $(TARGET_OUT_SHARED_LIBRARIES)/libjavacore.so
 
-ART_HOST_TEST_DEPENDENCIES   := $(ART_HOST_DEPENDENCIES)   $(ART_HOST_TEST_EXECUTABLES)   $(ART_TEST_OAT_FILES)
-ART_TARGET_TEST_DEPENDENCIES := $(ART_TARGET_DEPENDENCIES) $(ART_TARGET_TEST_EXECUTABLES) $(ART_TEST_OAT_FILES)
+ART_HOST_TEST_DEPENDENCIES   := $(ART_HOST_DEPENDENCIES)   $(ART_HOST_TEST_EXECUTABLES)   $(ART_TEST_DEX_FILES) $(ART_TEST_OAT_FILES)
+ART_TARGET_TEST_DEPENDENCIES := $(ART_TARGET_DEPENDENCIES) $(ART_TARGET_TEST_EXECUTABLES) $(ART_TEST_DEX_FILES) $(ART_TEST_OAT_FILES)
 
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 # host test targets