Android: more simplification since min API supported is 21

android-project/app/src/main/java/org/libsdl/app/HIDDeviceManager.java

@@ -193,7 +193,7 @@ public class HIDDeviceManager {
         filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
         filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
         filter.addAction(HIDDeviceManager.ACTION_USB_PERMISSION);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+        if (Build.VERSION.SDK_INT >= 33) { /* Android 13.0 (TIRAMISU) */
             mContext.registerReceiver(mUsbBroadcast, filter, Context.RECEIVER_EXPORTED);
         } else {
             mContext.registerReceiver(mUsbBroadcast, filter);
@@ -380,7 +380,7 @@ public class HIDDeviceManager {
             return;
         }
 
-        if (!mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE) || (Build.VERSION.SDK_INT < 18 /* Android 4.3 (JELLY_BEAN_MR2) */)) {
+        if (!mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
             Log.d(TAG, "Couldn't initialize Bluetooth, this version of Android does not support Bluetooth LE");
             return;
         }
@@ -412,7 +412,7 @@ public class HIDDeviceManager {
         IntentFilter filter = new IntentFilter();
         filter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
         filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+        if (Build.VERSION.SDK_INT >= 33) { /* Android 13.0 (TIRAMISU) */
             mContext.registerReceiver(mBluetoothBroadcast, filter, Context.RECEIVER_EXPORTED);
         } else {
             mContext.registerReceiver(mBluetoothBroadcast, filter);