/usr/i686-linux-android/bin/c++ is in gcc-i686-linux-android 3.
This file is owned by root:root, with mode 0o755.
It is a symlink to /usr/i686-linux-android/bin/./usr/i686-linux-android/bin/g++
/usr/i686-linux-android/bin/./usr/i686-linux-android/bin/g++