unzip: android 11 moved unzip to a symlink to ziptool

Change-Id: Ibe23f0c62835a1e34c192feb56843cc038d9b670
diff --git a/Android.bp b/Android.bp
index a31ec86..fa633ae 100755
--- a/Android.bp
+++ b/Android.bp
@@ -89,6 +89,7 @@
     required: [
         "init_recovery.rc",
         "libdl_android.bootstrap",
+        "ziptool.recovery"
     ]
 }