Roll src/third_party/cros_system_api/ 69b19fbcb..6c45bba6a (1 commit)

https://chromium.googlesource.com/chromiumos/platform/system_api.git/+log/69b19fbcbec5..6c45bba6ac21

$ git log 69b19fbcb..6c45bba6a --date=short --no-merges --format='%ad %ae %s'
2017-07-19 mnissler Add StartTPMFirmwareUpdate session_manager constants.

Created with:
  roll-dep src/third_party/cros_system_api

Change-Id: I71c670e16b266b3e70377a217ccb7da0b98da567
Reviewed-on: https://chromium-review.googlesource.com/580931Reviewed-by: Jorge Lucangeli Obes <jorgelo@chromium.org>
Commit-Queue: Mattias Nissler <mnissler@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488730}

DEPS

@@ -407,7 +407,7 @@ deps_os = {
 
     # For Linux and Chromium OS.
     'src/third_party/cros_system_api':
-      Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + '69b19fbcbec5fa8f5933b9c3f3375052b0059980',
+      Var('chromium_git') + '/chromiumos/platform/system_api.git' + '@' + '6c45bba6ac21fea63228721a9781b5d55d25d039',
 
     # Build tools for Chrome OS. Note: This depends on third_party/pyelftools.
     'src/third_party/chromite':