cellular: Add HotspotPolicy test in control file generator

BUG=b:293310680
TEST=test_that ${DUT_HOSTNAME} cellular_ota-tmobile-dut_check

Change-Id: I58277795aa87cb157cc07c8b8851714124a06acf
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/dev-util/+/4854219
Commit-Queue: Jason Zhang <jiajunz@google.com>
Tested-by: Jason Zhang <jiajunz@google.com>
Reviewed-by: Madhav <madhavadas@google.com>
1 file changed