Update kernel uapi headers to v3.16.1.

Other changes to support the new headers:

- Remove the flock64 structure it is defined in the new headers.
- Update the syscalls to correspond with the headers.

Change-Id: I49a6b07e8b2bfffb67be71b07b58e4e6848fcc09
diff --git a/libc/kernel/uapi/linux/version.h b/libc/kernel/uapi/linux/version.h
index 71e5373..f9068b7 100644
--- a/libc/kernel/uapi/linux/version.h
+++ b/libc/kernel/uapi/linux/version.h
@@ -16,5 +16,5 @@
  ***
  ****************************************************************************
  ****************************************************************************/
-#define LINUX_VERSION_CODE 200192
+#define LINUX_VERSION_CODE 200705
 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))