Run other maintenance scripts as part of the preupload hooks.

And get back up to date by actually running them...

Bug: N/A
Test: uploaded this
Change-Id: I54fec461190e8570929fdcbcbf2746ddd6a4b293
diff --git a/tools/update_version_scripts.sh b/tools/update_version_scripts.sh
new file mode 100755
index 0000000..ccba475
--- /dev/null
+++ b/tools/update_version_scripts.sh
@@ -0,0 +1,7 @@
+#!/bin/sh
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+cd $DIR/..
+./libc/tools/genversion-scripts.py
+
+git diff --exit-code HEAD libc/*.map libdl/*.map libm/*.map linker/*.map
+exit $?