Add crash reporter's init scripts

Part of a three CLs commit that moves crash reporter scripts out of
platform/init.

BUG=chromium:346449
TEST=none

CQ-DEPEND=Ib74673a38ef3886b9b23e2f152dd796a3e29855a
CQ-DEPEND=I079759d0a096c50600c292cc37d3486b1c44e56a

Change-Id: Icaad09443e60ff8dd4527d426cc11204a65c5f96
Reviewed-on: https://chromium-review.googlesource.com/194298
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Tested-by: Bertrand Simonnet <bsimonnet@chromium.org>
Commit-Queue: Bertrand Simonnet <bsimonnet@chromium.org>

crash_reporter/init/crash-reporter.conf

@@ -0,0 +1,21 @@
+# Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+description     "Initialize crash reporting services"
+author          "chromium-os-dev@chromium.org"
+
+# This job merely initializes its service and then terminates; the
+# actual checking and reporting of crash dumps is triggered by an
+# hourly cron job.
+start on starting system-services
+
+pre-start script
+  mkdir -p /var/spool
+end script
+
+# crash_reporter uses argv[0] as part of the command line for
+# /proc/sys/kernel/core_pattern.  That command line is invoked by
+# the kernel, and can't rely on PATH, so argv[0] must be a full
+# path; we invoke it as such here.
+exec /sbin/crash_reporter --init

crash_reporter/init/warn-collector.conf

@@ -0,0 +1,12 @@
+# Copyright (c) 2013 The Chromium OS Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+description "Runs a daemon which collects and reports kernel warnings"
+author      "chromium-os-dev@chromium.org"
+
+start on started system-services
+stop on stopping system-services
+respawn
+
+exec warn_collector