android: Migrate in-game overlay settings to ini

src/common/settings.cpp

@@ -199,6 +199,8 @@ const char* TranslateCategory(Category category) {
     case Category::CpuDebug:
     case Category::CpuUnsafe:
         return "Cpu";
+    case Category::Overlay:
+        return "Overlay";
     case Category::Renderer:
     case Category::RendererAdvanced:
     case Category::RendererDebug:

src/common/settings_common.h

@@ -18,6 +18,7 @@ enum class Category : u32 {
     Cpu,
     CpuDebug,
     CpuUnsafe,
+    Overlay,
     Renderer,
     RendererAdvanced,
     RendererDebug,