MTS Recorder Test: Use VideoFrameRate from Device Camcorder Profile

MTS tests have hardcoded video framerates.
MTS can query the video framerate supported by device via
Camcorder profiles and use.

Change-Id: I61666df6af58eaba46f7366521cc114184cb4ac5
Signed-off-by: Devaraj Rangasamy <dev@ti.com>