Add the NOT_SUSPENDED capability to Ethernet - doc part

Test: ConnectivityServiceTest, EthernetManagerTest
Bug: 150570873
Original-Change: https://android-review.googlesource.com/1307373
Merged-In: I151dfaa90b245dfc67d83516081b965284386d6a
Change-Id: I151dfaa90b245dfc67d83516081b965284386d6a
1 file changed