Application pause/resume fix for Android sample NativeActivity.
increase epsilon for AlphaComp sanity test for integer input
temporary disable perf test for StereoBeliefPropagation
Merge pull request #2331 from asmorkalov:android_native_activity_finish
Dead code removed as this cannot be null in Java.
Merge pull request #2332 from jet47:gpu-fixes
Merge pull request #2333 from asmorkalov:java_dead_code_fix