Fix EntitlementManager issues

1. Add TETHERING_ETHERNET to vaild downstream type. So starting
   ethernet tethering will do entitlement check as well.
2. Ignore request with invalid downstream type on
   handleRequestLatestTetheringEntitlementValue()

Bug: 152828758
Bug: 152828142
Test: atests TetheringTests CtsTetheringTest

Change-Id: Id0cb59cc4681f5ffbde7be54de05a05e46f0ffb8
2 files changed
tree: 32165e152a3021e7c4cba66e6abd6e1bdd92d24a
  1. Tethering/