Roll src/third_party/cros_system_api/ 536735c00..f63dc2e08 (2 commits)

https://chromium.googlesource.com/chromiumos/platform/system_api.git/+log/536735c00911..f63dc2e08f0c

$ git log 536735c00..f63dc2e08 --date=short --no-merges --format='%ad %ae %s'
2018-09-20 jimmyxgong smbprovider: Add MountConfigProto to directory_entry
2018-09-21 semenzato system_api: add anomaly event service interface

Created with:
  roll-dep src/third_party/cros_system_api

Change-Id: Ibb5fbd044ae7c52ec321c6331935a0d8840b034e
Reviewed-on: https://chromium-review.googlesource.com/c/1259493Reviewed-by: Zentaro Kavanagh <zentaro@chromium.org>
Commit-Queue: Zentaro Kavanagh <zentaro@chromium.org>
Cr-Commit-Position: refs/heads/master@{#596360}

DEPS

@@ -610,7 +610,7 @@ deps = {
 
   # For Linux and Chromium OS.
   'src/third_party/cros_system_api': {
-      'url': Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + '536735c009117dc648808dfe47e55284deca8fa0',
+      'url': Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + 'f63dc2e08f0c619b185cd48de3dcf758bcd9d109',
       'condition': 'checkout_linux',
   },