Improve wording of error message
Merge pull request #189 from armenzg/armenzg/bug996320_check_rooted

Improve wording of error message
Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness
fixup! Bug 1043924: Disable screen lock, display sleep, and switch on screen in super harness