Merge changes Iccb8a9fd,I073a67c4

* changes:
  Add /thumb libraries for gabi++/stlport/llvm-libc++
  Rename arch-x86_64/usr/lib to arch-x86_64/usr/lib64
tree: 91107a944ef8f5d20cc8cdb2646761dfe766d2c7
  1. 4/
  2. 5/
  3. 6/
  4. 7/
  5. 8/
  6. 9/
  7. Android.mk
  8. CleanSpec.mk