registerAsService call could fail. Hence check the return value.
Bug: 36704362
Test: Manually checked to see if usb hal service is running.
Change-Id: I46dcd74dbee6aba72cf344f10854e5d4b1b6de18
The getService() and registerAsService() methods of interface objects
now have default parameters of "default" for the service name. HALs
will not have to use any service name unless they want to register
more than one service.
Test: pass
Bug: 33844934
Change-Id: Ic04a7570c090d9d0a83bac1ec3f6d5ffe19e8923
The default implementation should take care of legacy devices that
lauched before O.
BUG: 31015010
Test: Manually tested on Angler and sailfish for type-c role switches.
Change-Id: I8762598f4f82da5b2fe8a87aacc30728eb7921f5
