Update default cmake to 3.18 (#89570)
Set `cmake.dir` to `/usr/local` in `.circleci/scripts/build_android_gradle.sh `
Prep change for raising compiler standard to C++17: cmake-3.18 is the first one to support CUDA17 language
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89570
Approved by: https://github.com/atalman
