Added ViewNode.getWebScheme().

Test: cts-tradefed run commandAndExit cts-dev -m CtsAutoFillServiceTestCases
Test: cts-tradefed run commandAndExit cts-dev -m CtsAssistTestCases

Fixes: 65207762

Change-Id: Ia8f7b3f5fce8cf0cc783e861fd7e1f1f7f78db19
5 files changed