Upgrade to pcre2 version 10.31.

Bug: N/A
Test: builds and boots, getprop -Z works
Change-Id: I2fbda9427edc9e5d966333a567b50539e17ed48d
diff --git a/dist2/install-sh b/dist2/install-sh
index 0b0fdcb..0360b79 100755
--- a/dist2/install-sh
+++ b/dist2/install-sh
@@ -1,7 +1,7 @@
 #!/bin/sh
 # install - install a program, script, or datafile
 
-scriptversion=2013-12-25.23; # UTC
+scriptversion=2016-01-11.22; # UTC
 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
@@ -496,6 +496,6 @@
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"
-# time-stamp-time-zone: "UTC"
+# time-stamp-time-zone: "UTC0"
 # time-stamp-end: "; # UTC"
 # End: