android-core: Fix the shared object symlink

Change-Id: I91675b6f0e6aac5b9e89d3c493e3a56f1d0c6d23
diff --git a/debian/postinst b/debian/postinst
new file mode 100755
index 0000000..20c12d8
--- /dev/null
+++ b/debian/postinst
@@ -0,0 +1,8 @@
+#!/bin/bash
+
+set -e
+
+ln -sf /usr/lib/aarch64-linux-gnu/libion-android.so.1 /usr/lib/aarch64-linux-gnu/libion-android.so
+
+#DEBHELPER#
+