Get audio output working with LLE DSP (#419)

* Implement audio output

* Semi-proper audio output

* Add audio enable and vsync settings

* Add audio enable and vsync settings

* Optimize audio output a bit

* Make max ring buffer timeout smaller

* Make max ring buffer timeout smaller

* Revert to spinlocking for audio sync

* Sleep emulator thread if too many samples queued

* Fix Teakra submodule breaking

* Don't start audio device too soon

* Fix IWYU errors

* Fix compilation errors on GCC/Clang

* Ignore std::hardware_destructive_interference_size on Android NDK

* Fix more IWYU errors

include/config.hpp

@@ -22,6 +22,9 @@ struct EmulatorConfig {
 	bool sdWriteProtected = false;
 	bool usePortableBuild = false;
 
+	bool audioEnabled = false;
+	bool vsyncEnabled = true;
+
 	bool chargerPlugged = true;
 	// Default to 3% battery to make users suffer
 	int batteryPercentage = 3;