[android / GameUI] Add grid compact layout and fix ugly borders on grid layout (#401)

Tis PR adds a new layout for the Game Adapter with shorter cards and fixes the ugly borders in Game Adapter's Grid layout.

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/401
Reviewed-by: crueter <crueter@eden-emu.dev>
Reviewed-by: MaranBr <maranbr@eden-emu.dev>
Co-authored-by: Nixyn <contact@innix.space>
Co-committed-by: Nixyn <contact@innix.space>

src/android/app/src/main/res/values/strings.xml

@@ -266,6 +266,7 @@
     <string name="alphabetical">Alphabetical</string>
     <string name="view_list">List</string>
     <string name="view_grid">Grid</string>
+    <string name="view_grid_compact">Compact Grid</string>
     <string name="view_carousel">Carousel</string>
     <string name="game_image_desc">Screenshot for %1$s</string>
     <string name="folder">Folder</string>