Make libadf, libsync_recovery recovery_available.

Bug: 110380063
Test: `m dist` with aosp_taimen-userdebug
Change-Id: Ie3543ff89b6b4f0de04eff0f85f8001f4b27d86a
diff --git a/libsync/Android.bp b/libsync/Android.bp
index c95563d..dbee596 100644
--- a/libsync/Android.bp
+++ b/libsync/Android.bp
@@ -36,6 +36,7 @@
 // anything statically linked against the current libsync.
 cc_library_static {
     name: "libsync_recovery",
+    recovery_available: true,
     defaults: ["libsync_defaults"],
 }