RDKTV-28536: Use JSOn Direct calls instead of Worker threads

Reason for change: Use as a temporary fix to address Thunder hang
Test Procedure: Monitor for Thunder hangs.
Risks: Low
Priority: P0
Change-Id: I3e9ff94e70fdfbbfdee37a982fc8616d3cb1661a
Signed-off-by: binuinbaraj <Binu_Inbaraj@cable.comcast.com>
(cherry picked from commit ca76c4580aa7f414c1ab29154c0d7e1844a47ae7)