* Add Android presubmit
* Build Android on Linux, macOS targets have NDK 18 only
* Consolidate workflows and jobs
* Try to build Android on macOS
* Fix typo
* Cleanup scripts
* Try NDK side by side if NDK bundle has the wrong version
* Simplify logic
* Fix NDK logic
* Only update the NDK when necessary
* Fix typo
* Update required NDK version
* Favor NDK side-by-side
* Remove support for obsolete NDK bundle, require NDK side-by-side
* Install the NDK side by side when missing