Revert "Revert "Revert "Revert "Add implicit null and stack checks for x86""""

This reverts commit 0025a86411145eb7cd4971f9234fc21c7b4aced1.

Bug: 16256184
Change-Id: Ie0760a0c293aa3b62e2885398a8c512b7a946a73
diff --git a/build/Android.gtest.mk b/build/Android.gtest.mk
index a340588..ee51fcd 100644
--- a/build/Android.gtest.mk
+++ b/build/Android.gtest.mk
@@ -273,7 +273,7 @@
 
 .PHONY: $$(gtest_rule)
 $$(gtest_rule): $$(gtest_exe) $$(ART_GTEST_$(1)_HOST_DEPS) $(foreach file,$(ART_GTEST_$(1)_DEX_DEPS),$(ART_TEST_HOST_GTEST_$(file)_DEX)) $$(gtest_deps)
-	$(hide) ($$(call ART_TEST_SKIP,$$@) && $$< && $$(call ART_TEST_PASSED,$$@)) \
+	$(hide) ($$(call ART_TEST_SKIP,$$@) && LD_PRELOAD=libsigchain$$(ART_HOST_SHLIB_EXTENSION) $$< && $$(call ART_TEST_PASSED,$$@)) \
 	  || $$(call ART_TEST_FAILED,$$@)
 
   ART_TEST_HOST_GTEST$$($(2)ART_PHONY_TEST_HOST_SUFFIX)_RULES += $$(gtest_rule)