Bump ndk (#72)
Bump ndk (#72)

Summary:
Bump to the latest NDK.

Pull Request resolved: https://github.com/facebookincubator/fbjni/pull/72

Test Plan: ./gradlew assembleDebug

Reviewed By: lblasa

Differential Revision: D32593098

Pulled By: passy

fbshipit-source-id: e5a35070e7b85e4926157d6bf07496cadd01606c

facebookincubator/fbjni,facebookincubator/fbjni,facebookincubator/fbjni,facebookincubator/fbjni