Keystore 2.0 SPI: Add forEach for int arrays to ArrayUtils

This patch adds a forEach function for int arrays to
android.security.keystore.ArrayUtils. A utility function with the
intendet use in Keystore 2.0 Key paramter handling.

Test: None
Change-Id: I2c02b300ee68fcd548c128deb0266fe603226807

keystore/java/android/security/keystore/ArrayUtils.java

@@ -18,6 +18,8 @@ package android.security.keystore;
 
 import libcore.util.EmptyArray;
 
+import java.util.function.Consumer;
+
 /**
  * @hide
  */
@@ -107,4 +109,16 @@ public abstract class ArrayUtils {
             return result;
         }
     }
+
+    /**
+     * Runs {@code consumer.accept()} for each element of {@code array}.
+     * @param array
+     * @param consumer
+     * @hide
+     */
+    public static void forEach(int[] array, Consumer<Integer> consumer) {
+        for (int i : array) {
+            consumer.accept(i);
+        }
+    }
 }