IVGCVSW-3432 Create CaptureData Holder
IVGCVSW-3432 Create CaptureData Holder

 * Improve tests with greater number of threads

Change-Id: I6855cdee463809045b10fff85ed9193dd3d3207a
Signed-off-by: Francis Murtagh <e59f6df1240b2b6c2b05aa682b1b9d01b9505720@arm.com>

ARM-software/armnn,ARM-software/armnn,ARM-software/armnn