The OETestResultThreadedInternal extends OETestResult to stores
results by Thread.
The OETestResultThreaded is a simple class that provides the
implementation of interfaces needed by outside like wasSuccesful,
stop, logSummary, logDetails.
[YOCTO #11450]
Signed-off-by: Aníbal Limón <anibal.limon@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
