* Add parameters to specify custom native build path and enable unity build in Android gradle builds
* Enable unity build for gradle to shorten the path to the generated object files which fixes build failures on Jenkins due to paths exceeding limit. This also speeds up builds.
- build.gradle format updates for newer Android Gradle Plugin
- Remove hard coded Android Gradle Plugin version 3.6.4 to be passed in from command args
- Set Android Gradle Plugin min version 4.2.0 in order to support Min CMake version 3.20
- Add ability to use the android sdk to install missing components if needed rather than doing it externally
- Removed argument to pass in the NDK folder to use the android, use the android-sdk instead. Can request specific NDK versions if possible
- Android Gradle Plugin has dependencies by version and is being managed
- More defaults based on tools on path, agp version made possible so they are no longer needed in the command args