Roll src/third_party/cros_system_api/ 670a0ff9f..e22d01d97 (2 commits)

https://chromium.googlesource.com/chromiumos/platform/system_api.git/+log/670a0ff9f5a1..e22d01d973dc

$ git log 670a0ff9f..e22d01d97 --date=short --no-merges --format='%ad %ae %s'
2018-03-08 vpalatin biod: add new biometrics manager
2018-03-08 nverne Added Start/StopVmConcierge to debugd dbus constants.

Created with:
  roll-dep src/third_party/cros_system_api

Bug: 820128
Change-Id: I3916922443ca1ce9cbbecf56918e23df5c9d916e
Reviewed-on: https://chromium-review.googlesource.com/956625Reviewed-by: Xiaoqian Dai <xdai@chromium.org>
Commit-Queue: Xiaoyin Hu <xiaoyinh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#541992}

DEPS

@@ -331,7 +331,7 @@ deps = {
 
   # For Linux and Chromium OS.
   'src/third_party/cros_system_api': {
-      'url': Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + '670a0ff9f5a1d27b62e2a09d929f6e2ea32278ba',
+      'url': Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + 'e22d01d973dcda6c8d2aa39ad5512a6ef80678f6',
       'condition': 'checkout_linux',
   },