fix: Add build script and fix manifest

- Add build-apk.sh for easy compilation
- Simplify AndroidManifest.xml
- Fix themes.xml to use basic Android themes
- Enable BuildConfig
- Add okhttp-dnsoverhttps dependency

android-sdk/platforms/android-34/data/res/drawable/ic_refresh.xml

@@ -0,0 +1,24 @@
+<!--
+Copyright (C) 2016 The Android Open Source Project
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+         http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+-->
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24.0dp"
+        android:height="24.0dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M17.65,6.35c-1.63,-1.63 -3.94,-2.57 -6.48,-2.31c-3.67,0.37 -6.69,3.35 -7.1,7.02C3.52,15.91 7.27,20 12,20c3.19,0 5.93,-1.87 7.21,-4.57c0.31,-0.66 -0.16,-1.43 -0.89,-1.43h-0.01c-0.37,0 -0.72,0.2 -0.88,0.53c-1.13,2.43 -3.84,3.97 -6.81,3.32c-2.22,-0.49 -4.01,-2.3 -4.49,-4.52C5.31,9.44 8.26,6 12,6c1.66,0 3.14,0.69 4.22,1.78l-2.37,2.37C13.54,10.46 13.76,11 14.21,11H19c0.55,0 1,-0.45 1,-1V5.21c0,-0.45 -0.54,-0.67 -0.85,-0.35L17.65,6.35z"/>
+</vector>