android.toolchain.cmake: restore implicit link with math library for C++ objects
android.toolchain.cmake: restore implicit link with math library for C++ objects

Ticket #2426

opencv/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,opencv/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv,apavlenko/opencv,apavlenko/opencv,opencv/opencv,opencv/opencv,opencv/opencv