Update minSdk version from 24 to 21

vaishnavi-2307 · vaishnavi-2307 · commit 3946787c53eb · 2024-07-30T14:48:29.000+05:30
diff --git a/example/android/app/build.gradle b/example/android/app/build.gradle
@@ -48,7 +48,7 @@ android {
 
     defaultConfig {
         applicationId  "com.example.example"
-        minSdk 24
+        minSdk 21
         targetSdk 34
         versionCode flutterVersionCode.toInteger()
         versionName flutterVersionName
