mm-video-v4l2: test: Add capability to test using PTS

Presentation time stamps (PTS) are provided to the application
using an external file with the PTS values that the user is
willing to queue to the driver. The driver will arrange the PTS
in the proper order at the processed buffers.

Change-Id: I240161b29356f4ab8af98a246dd0dea9f4af6c22
2 files changed