scrcpy v3.2 release: new audio sources and compatibility fixes

The latest version of scrcpy, v3.2, introduces a range of audio source options including mic-unprocessed, mic-camcorder, mic-voice-recognition, mic-voice-communication, and various voice-call captures. These additions enhance the user's audio management capabilities for different scenarios. The update also addresses compatibility issues with recent Android 15 and 16 upgrades, ensuring functions like rotation and audio capture remain operational. In addition, this release supports older system binaries and includes upgrades to FFmpeg, libusb, and SDL for smoother functionality.