fix min sdk

Change-Id: I3b76c82542a3ceec0455f48a6bb5457b770b08fd

Author: alabiaga

samples/connectivity/UwbRanging/build.gradle.kts

@@ -28,7 +28,7 @@ android {
     compileSdk = 36
 
     defaultConfig {
-        minSdk = 28
+        minSdk = 31
         targetSdk = 35
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"