Upgrade to LTP 20170516

A short log of commits merged as part of this is available in
Merge list

New disabled tests due to failure to build:
 setpriority01
 prot_hsymlinks

New configuration(s) added in android/include/config.h:
 HAVE_SYS_XATTR_H

Following new tests take too long and shall be disabled in VtsLtp
 dio.dio29
 dio.dio30

Following shows the difference in testcases that will be run by 'vts':

               Deleted Tests              Added Tests
	   ------------------------------------------
           syscalls.socket03        syscalls.dirtyc0w
           syscalls.msgget04       syscalls.madvise07
           syscalls.access06       syscalls.madvise08
           syscalls.access05       syscalls.madvise09
           syscalls.msgsnd04    syscalls.flistxattr03
      syscalls.setpriority05    syscalls.flistxattr02
      syscalls.setpriority04    syscalls.flistxattr01
             syscalls.nice05        syscalls.sendto02
            syscalls.umask02      syscalls.getxattr04
            syscalls.umask03  syscalls.memfd_create02
      syscalls.setpriority03         syscalls.ioctl04
           syscalls.msgsnd03         syscalls.ioctl05
           syscalls.writev03         syscalls.ioctl06
           syscalls.writev04      syscalls.quotactl03
                 commands.ld           commands.ldd01
                 commands.nm            commands.cp01
                commands.tar        commands.keyctl01
                commands.ldd           commands.tar01
            commands.objdump            commands.ld01
               commands.cpio          commands.cpio01
      commands.mkdir_tests01         commands.mkdir01
         commands.mv_tests01            commands.nm01
             commands.size01            commands.ln01
               commands.file            commands.mv01
         commands.cp_tests01          commands.file01

TODO:
Following new tests currently fail, they are to be addressed one at a
time immediately following the merge:

 syscalls.getcwd01
 commands.file01
 commands.mv01
 commands.tar01
 syscalls.madvise08
 syscalls.ioctl05
 syscalls.pselect01
 syscalls.access02
 syscalls.kcmp03
 syscalls.ioctl06
 syscalls.access04
 commands.ldd01
 syscalls.ioctl04
 syscalls.getxattr04

Change-Id: Iad24a01393cd0e35d5419b1318d2ee316575bac2
Signed-off-by: Sandeep Patil <sspatil@google.com>