Roll src/third_party/cros_system_api/ 6b108dadb..f7fcc27f2 (4 commits)

https://chromium.googlesource.com/chromiumos/platform2/system_api.git/+log/6b108dadbc56..f7fcc27f256f

$ git log 6b108dadb..f7fcc27f2 --date=short --no-merges --format='%ad %ae %s'
2020-05-24 ahassani system_api: Add missing signal DlcStateChanged in dlcservice
2020-05-19 ahassani dlcservice: Allow DLCs to individually send their state in a signal
2020-05-13 amoylan system_api: Remove old MlDecisionService constants
2020-05-14 fletcherw system_api: add GetScannerCapabilities method

Created with:
  roll-dep src/third_party/cros_system_api

Change-Id: I084d8fde47882754f180efad9e887a047b46a647
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2215442
Auto-Submit: Amin Hassani <ahassani@chromium.org>
Commit-Queue: Mike Frysinger <vapier@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Cr-Commit-Position: refs/heads/master@{#771668}

DEPS

@@ -866,7 +866,7 @@ deps = {
 
   # For Linux and Chromium OS.
   'src/third_party/cros_system_api': {
-      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + '6b108dadbc564d13f03b4f6aed5204749863a415',
+      'url': Var('chromium_git') + '/chromiumos/platform2/system_api.git' + '@' + 'f7fcc27f256f147cc85687be6b50ead3e2317ab3',
       'condition': 'checkout_linux',
   },