Auto merge of #1344 - gnzlbg:fix_android_bj, r=gnzlbg

.travis.yml

ci/android-install-ndk.sh

ci/android-install-sdk.sh

ci/docker/aarch64-linux-android/Dockerfile

ci/docker/arm-linux-androideabi/Dockerfile

ci/docker/i686-linux-android/Dockerfile

libc-test/build.rs

src/unix/bsd/mod.rs

src/unix/haiku/mod.rs

src/unix/hermit/mod.rs

src/unix/mod.rs

src/unix/newlib/mod.rs

src/unix/notbsd/android/b32/mod.rs

src/unix/notbsd/android/b64/aarch64.rs

src/unix/notbsd/android/b64/mod.rs

src/unix/notbsd/android/b64/x86_64.rs

src/unix/notbsd/android/mod.rs

src/unix/notbsd/emscripten/mod.rs

src/unix/notbsd/linux/mod.rs

src/unix/notbsd/mod.rs