It errors with "Fatal error: Uncaught exception 'InvalidArgumentException' with message 'bad number for type byte.. in /home/runner/work/flatbuffers/flatbuffers/php/ByteBuffer.php:490" which I can't reproduce locally, and trying to fix it on CI runs into PHP's insane handling of numbers vs strings.
Android build was dated, using the Android.mk approach. Current
project configuration on Android encourages the usage of CMake, so we
are updating the android project as an example on how to use either the
Java/Kotlin generate code or the native C++ one.
