Add ApplicationManifest (#23)
Add ApplicationManifest (#23)

Summary:
This is used by the generateReleaseBuildConfig, which is needed when
fbjni is included as a submodule.
Pull Request resolved: https://github.com/facebookincubator/fbjni/pull/23

Test Plan:
`./gradlew generateReleaseBuildConfig`
(In PyTorch) `./gradlew assembleRelease`

Reviewed By: passy

Differential Revision: D18226540

Pulled By: dreiss

fbshipit-source-id: c4ece2d1d8e7cbb095bc6991bbad53393e6f6ecb

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