fix min sdk

Change-Id: Ia0aa975a0eee0c9f8201cdb18694621dd831df48

Author: alabiaga

samples/storage/build.gradle.kts

@@ -27,7 +27,7 @@ android {
     compileSdk = 36
 
     defaultConfig {
-        minSdk = 21
+        minSdk = 34
         targetSdk = 35
     }
     kotlinOptions {