Remove misguided hack to signal that we handled key repeats.

Fixes #21336

Common/UI/View.h

@@ -577,7 +577,7 @@ private:
 	Style style_;
 	std::string text_;
 	ImageID imageID_;
-	std::function<ImageID()> imageFunc_;
+	std::function<ImageID()> imageFunc_{};
 	int paddingW_ = 16;
 	int paddingH_ = 8;
 	float scale_ = 1.0f;

Core/ControlMapper.cpp

@@ -531,11 +531,6 @@ bool ControlMapper::UpdatePSPState(const InputMapping &changedMapping, double no
 }
 
 bool ControlMapper::Key(const KeyInput &key, bool *pauseTrigger) {
-	if (key.flags & KeyInputFlags::IS_REPEAT) {
-		// Claim that we handled this. Prevents volume key repeats from popping up the volume control on Android.
-		return true;
-	}
-
 	double now = time_now_d();
 	InputMapping mapping(key.deviceId, key.keyCode);
 

android/src/org/ppsspp/ppsspp/PpssppActivity.java

@@ -1284,7 +1284,7 @@ public class PpssppActivity extends AppCompatActivity implements SensorEventList
 	@RequiresApi(Build.VERSION_CODES.N)
 	void sendMouseDelta(float dx, float dy) {
 		// Ignore zero deltas.
-		if (Math.abs(dx) > 0.001 || Math.abs(dx) > 0.001) {
+		if (Math.abs(dx) > 0.001 || Math.abs(dy) > 0.001) {
 			NativeApp.mouseDelta(dx, dy);
 		}
 	}