Move art content to /data

oat tests, gtests, and run-test content to /data/art-test
boot.oat and boot.art to /data/art-cache

Change-Id: I68f9f6798bc4ea0596642ff5624f3e77dec6ccbe
diff --git a/build/Android.common.mk b/build/Android.common.mk
index 378d414..1968eb6 100644
--- a/build/Android.common.mk
+++ b/build/Android.common.mk
@@ -14,6 +14,14 @@
 # limitations under the License.
 #
 
+# art-cache
+ART_CACHE_DIR := /data/art-cache
+ART_CACHE_OUT := $(TARGET_OUT_DATA)/art-cache
+
+# directory used for tests on device
+ART_TEST_DIR := /data/art-test
+ART_TEST_OUT := $(TARGET_OUT_DATA)/art-test
+
 ART_CPP_EXTENSION := .cc
 
 ART_C_INCLUDES := \