Make libmemunreachable vendor_available

Allow vendor processes to use libmemunreachable.

Bug: 132302484
Test: m checkbuild
Change-Id: I9ed1543bd3fb20208785a160251e912a0c7e334d
diff --git a/libmemunreachable/Android.bp b/libmemunreachable/Android.bp
index c32a45f..62a7266 100644
--- a/libmemunreachable/Android.bp
+++ b/libmemunreachable/Android.bp
@@ -22,6 +22,7 @@
 
 cc_library {
     name: "libmemunreachable",
+    vendor_available: true,
     defaults: ["libmemunreachable_defaults"],
     srcs: [
         "Allocator.cpp",