[Android benchmarking] Increase warm up iterations

Use 10 iterations to make sure it's warmed up.

Author: kirklandsign

extension/benchmark/android/benchmark/app/src/main/java/org/pytorch/minibench/BenchmarkActivity.java

@@ -44,7 +44,7 @@ protected void onCreate(Bundle savedInstanceState) {
             .get();
 
     int numIter = intent.getIntExtra("num_iter", 50);
-    int numWarmupIter = intent.getIntExtra("num_warm_up_iter", 5);
+    int numWarmupIter = intent.getIntExtra("num_warm_up_iter", 10);
 
     // TODO: Format the string with a parsable format
     Stats stats = new Stats();