GPII-571: Adding orca.json deviceReporter file for acceptance tests
GPII-571: Adding linux_builtIn deviceReporter file for acceptance test
GPII-571: Deleting NP sets for acceptance tests from preferences folder

* Deleting NP sets from preferences folder and moving .txt files into
preferences/acceptanceTests folder.
GPII-571: Merging javihernandez' work with master, leaving out the now outdated .txt files describing the remaining work for the os_* and screenreader_* preferences sets