Android: set up correct search order for find_library
It is part of the effort to merge android.toolchain.cmake and upstream cmake support. The code is mostly copied from:
https://android.googlesource.com/platform/ndk/+/refs/heads/master/build/cmake/android.toolchain.cmake#281 https://android.googlesource.com/platform/ndk/+/refs/heads/master/build/cmake/android.toolchain.cmake#406
Topic-rename: android-find_path