feat: receive configuration changes and update hardware keyboard state in foreground

Author: ozwaldorf

app/src/main/java/com/termux/app/TermuxActivity.java

@@ -6,6 +6,7 @@
 import android.content.BroadcastReceiver;
 import android.content.ComponentName;
 import android.content.Context;
+import android.content.res.Configuration;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.ServiceConnection;
@@ -323,6 +324,12 @@ public void onResume() {
         mIsOnResumeAfterOnCreate = false;
     }
 
+    @Override
+    public void onConfigurationChanged(@NonNull Configuration newConfig) {
+        super.onConfigurationChanged(newConfig);
+        updateExtraKeysVisibility();
+    }
+
     @Override
     protected void onStop() {
         super.onStop();