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
Bug: 63673171
Bug: 29921292
Test: m -j
Change-Id: I59bf859a10a218af6591025a0fe7d1853e328405
diff --git a/linker/Android.bp b/linker/Android.bp
index 5afe939..9e18954 100644
--- a/linker/Android.bp
+++ b/linker/Android.bp
@@ -274,6 +274,7 @@
 
     name: "ld-android",
     defaults: ["linux_bionic_supported"],
+    recovery_available: true,
 
     nocrt: true,
     system_shared_libs: [],