Marking setOemNetworkPreference as @SystemApi

Marking setOemNetworkPreference in ConnectivityManager as @SystemApi.

Bug: 176496438
Bug: 176494815
Test: atest FrameworksNetTests
atest FrameworksNetIntegrationTests
atest CtsNetTestCasesLatestSdk

Change-Id: I4681c88dc3a83f71c387b29610c33594e57cb43f
1 file changed
tree: 31df2221f28f9051f7e9ba4e92f63ed9ba5143c7
  1. framework/
  2. service/
  3. OWNERS