Updates to handler logic for multilayer requests

Updates to ConnectivityService network request handler's logic to support
(or disallow support of) multilayer network requests.

Bug: 175239920
Bug: 171991028
Test: atest FrameworksNetTests
atest NetworkStackTests
atest FrameworksNetIntegrationTests
atest NetworkStackIntegrationTests
atest CtsNetTestCasesLatestSdk

Change-Id: Ic67cff950d72745d6508a0a037bd33f932d5132c
1 file changed
tree: c5d57648cf91013f52d1d2d6cf37fda9d1f81f22
  1. core/
  2. service/
  3. services/
  4. tests/
  5. OWNERS