Base for Native Activity example added.
Initialization with Manager instead static link added.
Code refactoring was done.
fixed gpu::LUT on multi device system
added simd_functions.hpp to device layer
Merge pull request #662 from asmorkalov:android_native_activity
Merge pull request #677 from jet47:gpu-lut-fix
Merge pull request #679 from jet47:gpu-simd-functions