SF: Handle BAD_CONFIG for getActiveConfig

Propagate the error as NO_INIT, which SF::loadDisplayModes will handle
in a future CL.

Also, fix confusion between hal::HWDisplayId and hal::HWConfigId in SF::
loadDisplayModes.

Bug: 305813445
Test: HWComposerTest.getActiveMode
Change-Id: I2f1510ec3d883977fd77c01315e2406788f4ac90
5 files changed