Adds nanosleep to x86 syscalls

BUG: 32122229
Change-Id: I99bc266f4d7ddaa89d414392698324e1e955f841
(cherry picked from commit 4eb4ed6408e8b54223708251c1da01b68a0e6635)
(cherry picked from commit 868d6e09a560404d33bd80a3b5e68d6deb3b41aa)
1 file changed