Make libdivsufsort64 available in recovery

Change-Id: I4bed910a42eac0fe3874d6fe4cac7163bfd1b192
diff --git a/Android.bp b/Android.bp
index 68cf8ae..44c637d 100644
--- a/Android.bp
+++ b/Android.bp
@@ -47,6 +47,7 @@
 cc_defaults {
     name: "libdivsufsort_defaults",
     host_supported: true,
+    recovery_available: true,
     srcs: [
         "lib/divsufsort.c",
         "lib/sssort.c",