Summary:
Fixed a bug in `react_native_assert` that was not effectively letting the app
call `abort()`. The app was actually printing on log twice.
Ref: https://developer.android.com/ndk/reference/group/logging#__android_log_assert
Changelog:
[Android] [Changed] - Let react_native_assert really abort the app
Reviewed By: JoshuaGross
Differential Revision: D32204080
fbshipit-source-id: ca16c50aaf4e41a2318277c233be0e944b2ad8f1