Update arch-x86/lib-bootstrap/lib64

Note that this is only used (symlinked) by android-20/arch-x86/lib-bootstrap
for x86_64 build

Change-Id: I9ab023b0383f406fd5b05debf2dd75ea9f2243d8
Merge "Update arch-x86/lib-bootstrap/lib64"
auto-merger: merge in from aosp/master