Correct q_low and q_high limits for the recode loop
Correct q_low and q_high limits for the recode loop

Corrected the initial Q range limits for the recode loop
to reflect the current allowed range for the frame.

In experimental work on constrained quality this bug was
causing unnecessary recodes.

Change-Id: I7e256fbfa681293b0223fe21ec329933d76c229f

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