Roll src/third_party/cros_system_api/ 1fd712f83..4ed26a9a6 (4 commits)

https://chromium.googlesource.com/chromiumos/platform2/system_api.git/+log/1fd712f839e2..4ed26a9a6564

$ git log 1fd712f83..4ed26a9a6 --date=short --no-merges --format='%ad %ae %s'
2019-10-04 vsavu system_api: Add definitions for LockToSingleUser
2019-10-21 clarkchung system_api: Go proto bindings for runtime_probe
2019-10-10 yusukes Revert "system_api: Add num_cores_disabled to StartArcMiniContainerRequest"
2019-10-16 louiscollard system_api: Add allowlist_data u2fd flag

Created with:
  roll-dep src/third_party/cros_system_api

BUG=b:142144019
TEST=try

Change-Id: I19e38e327f49ed6859168971667bd55445e9e88d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1874492
Commit-Queue: Yusuke Sato <yusukes@chromium.org>
Auto-Submit: Yusuke Sato <yusukes@chromium.org>
Reviewed-by: Yury Khmel <khmel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#708451}

DEPS

@@ -881,7 +881,7 @@ deps = {
 
   # For Linux and Chromium OS.
   'src/third_party/cros_system_api': {
-      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + '1fd712f839e27abae28a412c1b2c07148194a142',
+      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + '4ed26a9a6564be63257d83072e5618525ff0347e',
       'condition': 'checkout_linux',
   },