Make options available on the spec objects
Hide the options data structure better
android-ndk -----> android-ndk32-r10 android-ndk-64 -----> android-ndk64-r10 android-ndk-r9d ------>android-ndk-r9d
android-ndk-64: add r10 bottle.
android-ndk: add r10 bottle.
android-ndk-r9d: add r9d bottle.