New sample for CUDA on Android added.

samples/android/tutorial-4-cuda/CMakeLists.txt

@@ -0,0 +1,16 @@
+set(sample example-tutorial-4-cuda)
+
+ocv_check_dependencies(opencv_core opencv_java opencv_gpu)
+
+if (OCV_DEPENDENCIES_FOUND)
+  if(BUILD_FAT_JAVA_LIB)
+    set(native_deps opencv_java opencv_gpu)
+  else()
+    set(native_deps opencv_gpu)
+  endif()
+
+  add_android_project(${sample} "${CMAKE_CURRENT_SOURCE_DIR}" LIBRARY_DEPS ${OpenCV_BINARY_DIR} SDK_TARGET 11 ${ANDROID_SDK_TARGET} NATIVE_DEPS ${native_deps})
+  if(TARGET ${sample})
+    add_dependencies(opencv_android_examples ${sample})
+  endif()
+endif()