Mark as recovery_available: true

Libraries that are direct or indirect dependencies of modules installed
to recovery partition (e.g. toybox) are marked as recovery_available:
true. This allows a recovery variant of the lib is created when it is
depended by other recovery or recovery_available modules.

Bug: 67916654
Bug: 64960723
Test: m -j
Change-Id: I3baf6e927415dd8b7e0682ab2382d75ff1ff2c4d
diff --git a/Android.bp b/Android.bp
index c71d35f..c7e0da8 100644
--- a/Android.bp
+++ b/Android.bp
@@ -50,6 +50,7 @@
     name: "libunwind_llvm",
     sdk_version: "21",
     vendor_available: true,
+    recovery_available: true,
     srcs: LIBUNWIND_SRC_FILES,
     include_dirs: LIBUNWIND_INCLUDES,
     local_include_dirs: LIBUNWIND_LOCAL_INCLUDES,