am 5ef6b2f2: ndk sample hello-neon: use  to access the \'cpufeatures\' library

Merge commit '5ef6b2f2568944e9dedf31c83716b8dd94dd506a' into gingerbread-plus-aosp

* commit '5ef6b2f2568944e9dedf31c83716b8dd94dd506a':
  ndk sample hello-neon: use $(call import-module) to access the 'cpufeatures' library