Actually remove the tests.

The removed tests are actually under the art/arch directory.
For simplicity, remove all /data/nativetest.

Test: m
Change-Id: Ida67b614d6e50bb7d8660f58f045e8683e9cb5d7
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 335afbb..584899c 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -58,7 +58,7 @@
 $(call add-clean-step, rm -f $(PRODUCT_OUT)/system/lib*/libpac.so)
 
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/nativetest*/art_libdexfile_support_tests/dex_file_supp_test)
-$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/nativetest*/art_runtime_compiler_tests)
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/data/nativetest*/)
 
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST