Roll src/third_party/cros_system_api/ c22aa6b47..a0ee3aa5b (5 commits)

https://chromium.googlesource.com/chromiumos/platform2/system_api.git/+log/c22aa6b47ff6..a0ee3aa5b911

$ git log c22aa6b47..a0ee3aa5b --date=short --no-merges --format='%ad %ae %s'
2020-02-23 michaelfsun system_api: Add CRAS media player D-Bus constants
2020-02-11 zuan cryptohome: Port allow user to selectively remove keysets to UserDataAuth.
2020-02-10 zuan cryptohome: Port allow users to create data restore key to UserDataAuth.
2019-12-24 cylai system_api: protobuf message for new dbus service |pca_agent|.
2020-02-18 pmoy power: add three more fields to proto

Created with:
  roll-dep src/third_party/cros_system_api

Change-Id: I6f9ef976ce4c697182bc350cdd36738c7fd69948
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2067192
Auto-Submit: Michael Sun <michaelfsun@google.com>
Commit-Queue: Michael Sun <michaelfsun@google.com>
Commit-Queue: Ryan Hansberry <hansberry@chromium.org>
Reviewed-by: Ryan Hansberry <hansberry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#744047}

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' + '@' + 'c22aa6b47ff6324117024f166faf82c31c86165e',
+      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + 'a0ee3aa5b9115650f0e8c14f05bdf69fc87a038a',
       'condition': 'checkout_linux',
   },