Update v9.4.2: Enhanced UI Theme & Visual Consistency

- Incremented version to 9.4.2 (versionCode: 94200)
- Added custom AlertDialog theme with white text styling
- Enhanced visual consistency for all dialog components
- Improved theme overlay for better readability
- Applied custom styling to update and blocked dialogs
- Better contrast and visual hierarchy in dialogs

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/build.gradle

@@ -8,8 +8,8 @@ android {
         applicationId "com.streamplayer"
         minSdk 21
         targetSdk 33
-        versionCode 94100
-        versionName "9.4.1"
+        versionCode 94200
+        versionName "9.4.2"
         buildConfigField "String", "DEVICE_REGISTRY_URL", '"http://194.163.191.200:4000"'
     }