C2Soft decoders: Increase max height to support portrait videos

mpeg2 and mpeg4 decoders are updated to support portrait videos
with height up to 1920

Also allow mpeg2 dimensions that are aligned to 2

Bug: 177190219
Test: Test with 1088x1920 videos

Change-Id: Ic91d309e545108fa52092c502cc5f6471c117337