fix: correct launcher icon generation and adaptive padding

Split Android launcher sources into solid base and transparent foreground to avoid circular/cropped artifacts after release icon generation, and restore adaptive inset safe-zone.

Author: zarzet

android/app/src/main/res/drawable-hdpi/ic_launcher_foreground.png

@@ -1,5 +1,9 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
   <background android:drawable="@color/ic_launcher_background"/>
-  <foreground android:drawable="@drawable/ic_launcher_foreground"/>
+  <foreground>
+      <inset
+          android:drawable="@drawable/ic_launcher_foreground"
+          android:inset="16%" />
+  </foreground>
 </adaptive-icon>