Fix resource contention in Fake STHAL

Fix mistake in fake STHAL where setting resource contention does
not cause startRecognition to properly return RESOURCE_CONTENTION
error code.

Test: atest AlwaysOnHotwordDetectorTest
Fixes: 276396670
Change-Id: I097390cbbb185f7bb5c6eb8bffff7e2b0b52948d
1 file changed