Update dependencies

Settings activity refactor

app/src/main/java/com/hippo/preference/UrlPreference.java

@@ -18,9 +18,10 @@ package com.hippo.preference;
 
 import android.content.Context;
 import android.content.res.TypedArray;
-import android.preference.Preference;
 import android.util.AttributeSet;
 
+import androidx.preference.Preference;
+
 import com.hippo.ehviewer.R;
 import com.hippo.ehviewer.UrlOpener;