Roll src/third_party/cros_system_api/ fd5a98f62..f7f147bf0 (2 commits)

https://chromium.googlesource.com/chromiumos/platform2/system_api.git/+log/fd5a98f6204f..f7f147bf051c

$ git log fd5a98f62..f7f147bf0 --date=short --no-merges --format='%ad %ae %s'
2020-09-07 enshuo system_api: Add CRAS resend battery constant
2020-08-20 vpalatin modemfwd: clear LTE attach APN

Created with:
  roll-dep src/third_party/cros_system_api

Bug: b:166530001
Change-Id: Ib12a2bd7f17a9cbed45bc44e6d02488874d7fc68
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2400649


Auto-Submit: En-Shuo Hsu <enshuo@chromium.org>
Reviewed-by: Hsinyu Chao <hychao@chromium.org>
Commit-Queue: En-Shuo Hsu <enshuo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#805643}