Roll src/third_party/cros_system_api/ 9efc03a3d..15e1a4681 (4 commits)

https://chromium.googlesource.com/chromiumos/platform/system_api.git/+log/9efc03a3dca4..15e1a468124f

$ git log 9efc03a3d..15e1a4681 --date=short --no-merges --format='%ad %ae %s'
2018-01-02 maybelle shill: Add EAP.UseLoginPassword constant.
2018-01-02 khmel arc: Extend StartArcInstanceRequest for skip_packages_cache_setup
2018-01-11 derat system_api: Add powerd inactivity delays signal and method.
2018-01-08 ejcaruso shill: add Cellular.EquipmentID property

Created with:
  roll-dep src/third_party/cros_system_api

Bug: 801177
Change-Id: I508a8b6fd19c7a38464ebba98a9b93bcecf866d0
Reviewed-on: https://chromium-review.googlesource.com/867093
Reviewed-by: Steven Bennetts <[email protected]>
Commit-Queue: Dan Erat <[email protected]>
Cr-Commit-Position: refs/heads/master@{#529564}
diff --git a/DEPS b/DEPS
index 19fab19e..a6179fa2 100644
--- a/DEPS
+++ b/DEPS
@@ -323,7 +323,7 @@
 
   # For Linux and Chromium OS.
   'src/third_party/cros_system_api': {
-      'url': Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + '9efc03a3dca4b439e0ee7aa940009c73779a2b75',
+      'url': Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + '15e1a468124f5a215680bb335f87a118497acb59',
       'condition': 'checkout_linux',
   },