Always allow Ethernet to be an upstream
If there are any upstream types defined at all, make sure that
either TYPE_ETHERNET is included somewhere within the sorted list
or force it to be at the front.
Test: as follows
- built
- flashed
- booted
- runtest frameworks-net passes
Bug:
32163131
Bug:
36076442
Merged-In: I97737f4c12285f0bbeed0bd2efdfec6fbe95fd03
Merged-In: Id60706e623febcc35063ccb96c797fc4f9a223b1
Merged-In: I97cc3c5ad7dcd4359c28e6aa817856a226a4f8cc
Change-Id: Ie61d1358f73d518de23f6ca48ca2765ca14a1067
(cherry picked from commit
0e61baa0ac83e580429217f8394e1790d6510158)