Fix Android x86 build with a quick hack.

sandbox/linux/sandbox_linux.gypi

Index: sandbox/linux/sandbox_linux.gypi
diff --git a/sandbox/linux/sandbox_linux.gypi b/sandbox/linux/sandbox_linux.gypi
index 936b3f6c2eeb6500944049e2bf9d2319b77aea94..5cdb8ca93f1d1a41d2ca088313736c00d6c6e8df 100644
--- a/sandbox/linux/sandbox_linux.gypi
+++ b/sandbox/linux/sandbox_linux.gypi
@@ -10,8 +10,9 @@
       }, {
         'compile_suid_client': 0,
       }],
-      ['(OS=="linux" or OS=="android") and (target_arch=="ia32" '
-             'or target_arch=="x64" or target_arch=="arm")', {
+      ['((OS=="linux" or (OS=="android" and target_arch=="arm")) and '
+             '(target_arch=="ia32" or target_arch=="x64" or '
+              'target_arch=="arm"))', {
         'compile_seccomp_bpf': 1,
       }, {
         'compile_seccomp_bpf': 0,