Try to fix LGE menu button NPEs

fix based on https://code.google.com/p/android/issues/detail?id=78154

// FREEBIE

src/org/thoughtcrime/securesms/DatabaseUpgradeActivity.java

@@ -23,8 +23,10 @@ import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.database.Cursor;
 import android.os.AsyncTask;
+import android.os.Build;
 import android.os.Bundle;
 import android.util.Log;
+import android.view.KeyEvent;
 import android.view.View;
 import android.widget.ProgressBar;
 
@@ -247,4 +249,20 @@ public class DatabaseUpgradeActivity extends Activity {
     }
   }
 
+  @Override
+  public boolean onKeyDown(int keyCode, KeyEvent event) {
+    if (keyCode == KeyEvent.KEYCODE_MENU && "LGE".equalsIgnoreCase(Build.BRAND)) {
+      return true;
+    }
+    return super.onKeyDown(keyCode, event);
+  }
+
+  @Override
+  public boolean onKeyUp(int keyCode, KeyEvent event) {
+    if (keyCode == KeyEvent.KEYCODE_MENU && "LGE".equalsIgnoreCase(Build.BRAND)) {
+      openOptionsMenu();
+      return true;
+    }
+    return super.onKeyUp(keyCode, event);
+  }
 }