- Add interface AIDL files
- Add default example service. Example service is setup as a
lazy service.
- Add VTS test having same coverage as dumpstate device HIDL
1.1 VTS tests
Bug: 205760700
Test: VtsHalDumpstateTargetTest, dumpstate, dumpstate_test, dumpsys
Change-Id: I63f177af5e1e16cad392ce594f1b438e5610d757