fortify: add even more warnings

Bug: 131861088
Test: mma
Change-Id: I557309b3e25b54321ee1fe0207f18b6e840bf76e
diff --git a/tests/Android.bp b/tests/Android.bp
index 97712d3..65c6035 100644
--- a/tests/Android.bp
+++ b/tests/Android.bp
@@ -284,6 +284,7 @@
     name: "bionic_clang_fortify_tests_w_flags",
     cflags: [
         "-Wno-builtin-memcpy-chk-size",
+        "-Wno-format-security",
         "-Wno-format-zero-length",
         "-Wno-memset-transposed-args",
         "-Wno-strlcpy-strlcat-size",