Disable warning which is not detecting problems.

A clang update enabled -Wreorder-init-list by default. Since it doesn't
provide any benefit to the bionic code, disable the warning.

Test: Builds without warnings.
Change-Id: I5891527ef532b59dc2a02b39a5896112411d21f5
diff --git a/tests/Android.bp b/tests/Android.bp
index b105f6a..5c017e7 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -59,6 +59,9 @@
         // Needed to test pthread_internal_t layout.
         "-Wno-invalid-offsetof",
 
+        // This warning does not provide any benefit to the tests.
+        "-Wno-reorder-init-list",
+
         // For glibc.
         "-D__STDC_LIMIT_MACROS",
     ],