bootctrl HAL uses "default" service name

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: builds; verify HAL still works

In support of b/33844934

Change-Id: Iba190c717cf02d2dfe90b470f82b6ca4a82b6c07
Merged-In: Idc2c5ba09f2486ff9cc9815d72a7e5a0af323b22
1 file changed