Temporarily backport app updates from apps repo

applications/external/2048/array_utils.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <stdint.h>
+#include <stdbool.h>
+
+void reverse_array(int length, uint8_t arr[length]);
+
+bool shift_array_to_left(int length, uint8_t arr[length], uint8_t from_index, uint8_t offset);
+
+void get_column_from_array(
+    int rows,
+    int cols,
+    uint8_t arr[rows][cols],
+    uint8_t column_index,
+    uint8_t* out);
+
+void set_column_to_array(
+    int rows,
+    int cols,
+    uint8_t arr[rows][cols],
+    uint8_t column_index,
+    uint8_t* src);