Add syscalls that aren't currently used to the seccomp whitelist.

Add some useful new syscalls that we currently aren't using in bionic,
but might in the future to the seccomp whitelist.

Bug: http://b/37317198
Test: mma
Change-Id: I6550867da152cea84fb13d0c15a399cdb2acf1aa
(cherry picked from commit de9262e5)