libxml2: Add darwin static lib.

aosp:170751 added the libxml prebuilts but missed out the static
library for darwin. FixIt.

Change-Id: Ibc0bfaac5014da64872db6d12842d7525d41f6d9
1 file changed
tree: 989c8955e0c6b52be7236cb4926bbfe687e79ec9
  1. libxml2/