Don't sanitize jemalloc.

This is part of libc, which ASan runtime library depends on.

Bug: 21785137
Change-Id: I27d6333bc9448d612fb5840cef4f958ebac2134a
diff --git a/Android.mk b/Android.mk
index d1e2638..c496631 100644
--- a/Android.mk
+++ b/Android.mk
@@ -94,6 +94,9 @@
 LOCAL_SRC_FILES := \
 	$(lib_src_files) \
 
+# This is linked into libc, which asan runtime library depends on.
+LOCAL_SANITIZE := never
+
 include $(BUILD_STATIC_LIBRARY)
 
 #-----------------------------------------------------------------------