Add the x86-only elf_fpxregset_t to <sys/procfs.h>, and rename user_fxsr_struct (the kernel's name) to user_fpxregs_struct (the userspace name). Bug: http://b/22068064 Change-Id: Id466096bf02baf6bd49b193f49d9036848d33548
Bug: http://b/21695943 Change-Id: Iadb600b2ae619515d7038a4db9bf464ba31adb36
Needed for building gdbserver out of the box. Bug: http://b/21695943 Bug: https://code.google.com/p/android/issues/detail?id=86712 Change-Id: Ieadda2b595f08bfddfa61fcd68006b8e7c1a438d