Upgrade libcups to v2.3.1
Local changes:
1. Makes _cupsSetHTTPError visible because it is used in
BuiltInPrintService.
2. Adds config.h and cups/tls-boringssl.c.
Bug: 168903843
Test: Build the code, flash the device and run fuzzer
Exempt-From-Owner-Approval: upgrade
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:c56dfec131379d6ad0967503a3dab26e1529d3dd)
Merged-In: Iabc33a8248ee1441333ab0e0ace8cf1965a5b866
Change-Id: Iabc33a8248ee1441333ab0e0ace8cf1965a5b866
diff --git a/man/printers.conf.5 b/man/printers.conf.5
new file mode 100644
index 0000000..c628024
--- /dev/null
+++ b/man/printers.conf.5
@@ -0,0 +1,28 @@
+.\"
+.\" printers.conf man page for CUPS.
+.\"
+.\" Copyright 2007-2019 by Apple Inc.
+.\" Copyright 1997-2006 by Easy Software Products.
+.\"
+.\" Licensed under Apache License v2.0. See the file "LICENSE" for more information.
+.\"
+.TH printers.conf 5 "CUPS" "26 April 2019" "Apple Inc."
+.SH NAME
+printers.conf \- printer configuration file for cups
+.SH DESCRIPTION
+The \fBprinters.conf\fR file defines the local printers that are available. It is normally located in the \fI/etc/cups\fR directory and is maintained by the
+.BR cupsd (8)
+program. This file is not intended to be edited or managed manually.
+.SH NOTES
+The name, location, and format of this file are an implementation detail that will change in future releases of CUPS.
+.SH SEE ALSO
+.BR classes.conf (5),
+.BR cups-files.conf (5),
+.BR cupsd (8),
+.BR cupsd.conf (5),
+.BR mime.convs (5),
+.BR mime.types (5),
+.BR subscriptions.conf (5),
+CUPS Online Help (http://localhost:631/help)
+.SH COPYRIGHT
+Copyright \[co] 2007-2019 by Apple Inc.