Fix build on iOS, build with 16K align on Android, seek for released BufferStream

[alnitak]

Description

• fix 16 KB native library alignment on Android build: 16 KB native library alignment on Android #248
• fix build issue on iOS and macOS fix: flutter_soloud: 3.2.2 breaks build #265 fix: build android app with env NO_OPUS_OGG_LIBS = 1 #266
• fix: the seek method was causing inconsistent behavior when using BufferStream in BufferingType.released mode. It is now supported in BufferingType.preserved mode.

Type of Change

• ✨ New feature (non-breaking change which adds functionality)
• 🛠️ Bug fix (non-breaking change which fixes an issue)
• ❌ Breaking change (fix or feature that would cause existing functionality to change)
• 🧹 Code refactor
• ✅ Build configuration change
• 📝 Documentation
• 🗑️ Chore