Linux sandbox: add space for 8 parameters to the Syscall() class

On some architectures (Mips for example) syscalls can take more
than six parameters.

Add support for 8 native-size parameters in Syscall::Call()

BUG=369594
TEST= sandbox_linux_unittests

Review URL: https://codereview.chromium.org/357323003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@281823 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/AUTHORS b/AUTHORS
index cabc020..ab1f538 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -276,6 +276,7 @@
 Naveen Bobbili <[email protected]>
 Naveen Kumar S G <[email protected]>
 Nayan Kumar K <[email protected]>
+Nedeljko Babic <[email protected]>
 Nikhil Bansal <[email protected]>
 Nikita Ofitserov <[email protected]>
 Ningxin Hu <[email protected]>