Permit __NR_modify_ldt via Seccomp-BPF on x86.

This fixes failing android.os.cts.SeccompTest#testIsolatedServicePolicy on
FUGU.

Bug: 22417736
Change-Id: Ia64abb31a35575219ecf636179bf00d28c34d801
diff --git a/tests/tests/os/jni/seccomp_sample_program.cpp b/tests/tests/os/jni/seccomp_sample_program.cpp
index 3c90196..3bc7da4 100644
--- a/tests/tests/os/jni/seccomp_sample_program.cpp
+++ b/tests/tests/os/jni/seccomp_sample_program.cpp
@@ -826,7 +826,7 @@
   {0x35, 0, 4, 0x76},
   {0x35, 0, 2, 0x79},
   {0x35, 0, 241, 0x7a},
-  {0x35, 240, 239, 0x7b},
+  {0x35, 240, 239, 0x7c},
   {0x35, 238, 239, 0x77},
   {0x35, 0, 2, 0x72},
   {0x35, 0, 236, 0x73},