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: I89c2b8a8ca0ca3ecbe0fe7f04277cf2589897c4d
diff --git a/Android.bp b/Android.bp
index ccf9916..a857554 100644
--- a/Android.bp
+++ b/Android.bp
@@ -59,6 +59,7 @@
     vndk: {
         enabled: true,
     },
+    recovery_available: true,
     srcs: libpcre2_src_files,
     target: {
         linux_bionic: {