-DFILAMENT_SKIP_SAMPLES=ON with CMake
-Pfilament_skip_samples with gradle
This change also renames CMake options specific to Filament
to avoid clashes with subprojects.
* Re-organize Android Gradle files
Clean up our Gradle files, share versioning, etc. and prepare for
publication to sonatype.
* Use androix annotations for desktop
* Add samples as subprojects to root Gradle
* Fix build script
* Don't break when samples aren't compiled
* Better organize the Android Studio project
* Make CMake 3.10 the minimum version, add LTO option
* Install a newer CMake on Linux CI builds
* Update LLVM and Cmake on Windows CI
* Update build/windows/ci-common.bat
Co-Authored-By: Ben Doherty <benjdoherty15@gmail.com>
* Update formatting
* Apply suggestions from code review
* Update build/windows/ci-common.bat
* Update CMake
* Switch Android projects back to CMake 3.6
