Roll src/third_party/cros_system_api/ bd15beb76..1609e471b (1 commit)

https://chromium.googlesource.com/chromiumos/platform2/system_api.git/+log/bd15beb76e99..1609e471b69a

$ git log bd15beb76..1609e471b --date=short --no-merges --format='%ad %ae %s'
2020-06-22 hashimoto arc: Add a new D-Bus service arc-sensor-service

Created with:
  roll-dep src/third_party/cros_system_api

Bug: b:148764483
Test: build
Change-Id: I4a18e48884418289d3dc13f31dcb3860834f7198
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2266193
Auto-Submit: Ryo Hashimoto <hashimoto@chromium.org>
Commit-Queue: Steven Bennetts <stevenjb@chromium.org>
Reviewed-by: Steven Bennetts <stevenjb@chromium.org>
Cr-Commit-Position: refs/heads/master@{#783038}

DEPS

@@ -876,7 +876,7 @@ deps = {
 
   # For Linux and Chromium OS.
   'src/third_party/cros_system_api': {
-      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + 'bd15beb76e99b36bcd1c58052462a735b4914254',
+      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + '1609e471b69ac5a2bf6367036fb2d4944f7ade2d',
       'condition': 'checkout_linux',
   },