docs: clarify Android API version requirement in README (#3414)

Change Android version notation from "14+" to "4.0+ (API 14 or later)" for better clarity among Android developers

Author: dipendra-sharma

README.md

@@ -46,7 +46,7 @@ Supported rendering backends:
 
 Supported platforms:
 
- * Android (14+)
+ * Android (4.0+) - API 14 or later
  * iOS/iPadOS/tvOS (16.0+)
  * Linux
  * macOS (13.0+)