Due to an API change in LocalSocket, Zygote must now manually close the FileDescriptor it created when it registered a LocalServerSocket. The LocalSocket.close() routine will no longer do so. Bug: 12114500 (cherry picked from commit 70ef29b04ee4ef7d7acfec79041dbe800961195e) Change-Id: Ief23a3c99e007dc4aa6f94dfb47a1b2b6c854dad