am ca07064c: am 5f53a182: Revert "Add qsort_r() implementation to the C library."

Merge commit 'ca07064c9ebd8523ed88fa09e97feaaafb7e9c15' into eclair-mr2-plus-aosp

* commit 'ca07064c9ebd8523ed88fa09e97feaaafb7e9c15':
  Revert "Add qsort_r() implementation to the C library."