Verify input device vendor/product ID and input sources for device added/changed.

When creating virtual input device for test, verify the input device
added and changed notification event for input device vendor/product ID and
input sources to match the test case.

Bug: 175316710
Test: atest android.hardware.input.cts

Change-Id: I50d5cc53624bbeab34246b6397cc246016df34e3